Chemical Bond Examples

There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the formation of an aggregate with sufficient stability to be regarded as an independent species. sodium bicarbonate. Chemical Bonds. Ionic and Covalent Bonds. Predict the ionic charges that each of the following would have in an ionic bond. Recall that a chemical bond is a force that holds atoms together in a compound. The Bond Enthalpy is the energy required to break a chemical bond. sodium hydrogen carbonate. chemical bond top: covalent bonding in a water moleculecenter: metallic bonding in s. A bond is the sharing of two electrons. • Octet Rule Atoms of different elements take part in chemical combination in order to complete their octet or to attain the noble gas configuration. New species with different chemical properties are produced. An example of covalent bonding is the molecule of carbon dioxide. How To Break chemical bonds. Ionic bonds are formed through electrostatic interaction while covalent bonds occur through the sharing of electrons. Since carbon can make covalent bonds with another carbon atom, carbon chains and rings that serve as the backbones of organic molecules are possible. A hydrogen example Hydrogen is #1 on the periodic table. The valence electrons are in the outer (highest) energy levels and are the main determiners of chemical activity and bonding. which of the following is an example of the difference between the chemical bonds in starch and those in cellulose? A. Examples of Chemical Bonds: 1. Let's use this idea to create a model of metallic bonding to help us explain these properties. Sigma and pi bonds are formed by the overlap of atomic orbitals. In Metallic Bonding, the atoms in a metallic element undergo a chemical bond. Polymer structures typically are long chains of covalently bonded carbon and hydrogen atoms in various arrangements. You can pour liquid acid on a solid and watch the solid dissolve. Chemisorption takes place with formation of unilayer of adsorbate on adsorbent. Sodium (Na) has 3 shells and only one electron in its outer shell. Chemical bonding - Chemical bonding - Covalent bonds: When none of the elements in a compound is a metal, no atoms in the compound have an ionization energy low enough for electron loss to be likely. Given on this page is a free online quiz which includes important questions and answers about the Chemical Bonding. HYBRIDIZATION IN CHEMISTRY - EXAMPLES. Predict whether each of the following would form an ionic bond, a covalent bond, or a metallic bond. © 2007-2019 Texas Education Agency (TEA). Molecules are discrete entities which have strong bonds between the atoms. It is usually expressed in units of kJ mol-1, measured at 298 K. Examples of Chemical Bonds How Chemical Bonds Form. In this example, one pair of electrons is shared between two atoms. For any two atoms (not necessarily part of the same molecule), there is an attractive intera. The Tallahassee Resort need to bond with the The southwest State Investment capital to get relevantMost of your business and your money which comes into Tallahassee is headed straight away to their state Funds developing. txt) or read online for free. 00 å) and a hydrogen bond to the other (hydrogen bond length: 1. For example, hydrogen bonds are broken by energies in the order of 4 - 5 kcal/mol. Given four solids representing the four types of chemical bonds—ionic, polar covalent, nonpolar covalent and metallic—students review the properties of each solid with a minimum of four tests. Double covalent bonds form when two pairs of electrons are shared between the atoms involved. An example that most people are familiar with is the energy released when fossil fuels such as gasoline are burned. The Nonmetal gains e- and becomes an anion(-). By combining two oxygen atoms with one carbon atom, the atoms can share electrons such that each atom has a full outer shell. docx), PDF File (. In order to dehydrate you must add energy (endothermic) to break the bond to water. What is an Elastomer? Elastomer materials are those materials that are made of polymers that are joined by chemical bonds, acquiring a final slightly crosslinked structure. Hydrogen and carbon are not bonded, while in water there is a single bond between each hydrogen and oxygen. A chemical bond is a region that forms when electrons from different atoms interact with each other. The structure of the bond is rigid, strong and often crystalline and solid. After the historical introduction, qualitative models of bonding are discussed, with particular attention given to the formation of ionic and covalent bonds and the correlation of the latter with molecular shapes. Standard: SC3e. Hydrogen bonds are also found in transfer RNA molecules as well as between DNA nucleotides and newly formed mRNA strand. 1 (A) Explain how chemical reactions result from the making and breaking of bonds in a process that absorbs or releases energy. Weak bonds - van der Waals bonds All atoms and molecules have a weak attraction for each other. When these bonding orbitals are occupied by a pair of electrons, a covalent bond, the sigma bond results. Covalent compounds also are known as molecular compounds. Double covalent bonds form when two pairs of electrons are shared between the atoms involved. Note: H only needs two valence electrons. Some Student Misconceptions in Chemistry: A Literature Review of Chemical Bonding Article (PDF Available) in Journal of Science Education and Technology 13(2):147-159 · June 2004 with 14,508 Reads. So far, you have seen examples of intramolecular bonds. Most atoms are chemically bonded to other atoms. Get an answer for 'What are the types and characteristics of chemical bonds, and the four major biological monomers and their polymers? ' and find homework help for other Biology questions at eNotes. A compound is a type of molecule with more than one element. eight electrons in their valence shell. The slowest step in the bond rearrangement produces what is termed a transition state – a chemical species that is neither a reactant nor a product, but is an intermediate between the two. cations ____ 2. Water - the Liquid of Life. Covalent bonds, where two atoms share electrons to both uphold the octet rule. A single bond between sulfur and oxygen should have roughly 22% ionic character. You can pour liquid acid on a solid and watch the solid dissolve. Get an answer for 'What are the types and characteristics of chemical bonds, and the four major biological monomers and their polymers? ' and find homework help for other Biology questions at eNotes. Ionic Bond Examples By YourDictionary Ionic bonds are atomic bonds created by the attraction of two differently charged ions. The electrons that participate in chemical bonds are the valence electrons, which are the electrons found in an atom's outermost shell. For example, o. Every chemical compound has a chemical formula, a notation that describes the relative proportions of elements that constitute a given compound. Ionic bond, also known as electrovalent bond, is a type of bond formed from the electrostatic attraction between oppositely charged ions in a chemical compound. Types of Chemical Bonds. chemist is that it does provide researchers a certain level of freedom to jump in and explore new ideas such as C 2 bonding at the drop of a hat. All Rights Reserved. This visual demonstration reinforces the concept. Bonding and Hybridization. Ions form a crystalline lattice. Chemical bonds play an important role in the world of biology. When two atoms approach each other these outer electrons interact. Define chemical bond. Examples of chemical bonds. For example: soil. Covalent Bonds. Examples: CH 4, NH 3, I 2; Complete octets on outside atoms. A covalent bond is a chemical bond that comes from the sharing of one or more electron pairs between two atoms. We will cover electronegativity, Lewis dot structures, VSEPR, bond hybridization, and ionic, covalent, and metallic bonds. The two most common chemical bonds for ceramic materials are covalent and ionic. The covalent bonds in the molecules are represented by solid lines and examples are shown below. Ionic bond, also known as electrovalent bond, is a type of bond formed from the electrostatic attraction between oppositely charged ions in a chemical compound. FIGURE 1 Bonding concepts. Covalent bonds, where two atoms share electrons to both uphold the octet rule. Double Bonds. The module presents chemical bonding on a sliding scale from pure covalent to pure ionic, depending on differences in the electronegativity of the bonding atoms. Double Covalent Bond. Chemical changes in compounds happen when chemical bonds are created or destroyed. Metallic is the bond between metalelements in which electrons are delocalized, whilecovalent is the sharing of pairs of electrons. Covalent bonds can bond atoms that are different or the same and are formed between non-metals only. We have now moved on from the metal rods heated by insertion into sizzling coals or heating on gas or electrical stoves. Summer content playlist: 15 essential resources for business professionals. The rule is that when the electronegativity difference is greater than 2. First bond formed between two atoms is always a sigma bond. 3 chemical bonds should be: Ionic Bond: Bond between Metal and Non-metal in NaCl. Multiple Bonds and Molecular Geometry Multiple bonds count as one - e. A bond is the sharing of two electrons. Hydrogen bonds are of two types- intermolecular and intramolecular. Lewis dot diagrams were an early attempt to describe chemical bonding and are still widely used today. We use a concept called "Happy Atoms. “This is a great example of synthetic biology-based jujutsu in which Joshi’s team took a major problem created by bacteria — the biofilms they create that are so difficult to access and remove — and then flipped the problem on its head through genetic engineering so that the biofilm now essentially becomes a healing Band-Aid for our gut. Covalent compounds also are known as molecular compounds. This last example is about as polar as a bond can get. Therefore, electron cloud is shifted towards Cl atom. bleach (solid) sodium perborate. For atoms that make multiple bonds such as oxygen which makes two bonds, for example, two or more electrons can be shared between one or more other atoms. Examples: H 2, F 2, I 2 and other diatomic molecules are molecules that contain single covalent bonds. The gas methane CH4 - contains covalent bond formed between the atoms of 2 different elements 1 Carbon and 4 Hydrogen atoms. Chemical Bonding - Practice Questions Multiple Choice Identify the choice that best completes the statement or answers the question. A covalent bond formed between two different atoms is known as Polar covalent bond. Polarity of bonds. Unlike covalent bonding however, there are insufficient numbers of electrons in most metal atoms (such as copper or silver) to form pure covalent bonds. That process is a chemical change because molecular bonds are being created and destroyed. This makes hydrogen bonds strong but weaker compared to primary bonds since the interactions here are permanent dipole interactions. Usually each atom contributes one electron (one of its valence electrons) to the pair, but in some cases both electrons come from one of the atoms. In the combustion of methane, for example, all six bonds in the reactant molecules are broken, and six new bonds are formed in the product molecules (equation 1). By sharing the four electrons where the shells touch each oxygen atom can count 8 electrons in its. You're mixing up what bond strength refers to. Example How do I draw the bonds in "SO"_2? Solution Decide which atom is the central atom in the structure. The curling iron has remained a Treasure & Bond Mason Pebbled Leather Belt Bag favoured instrument in spite of all the chemical inventions. The Organic Chemistry Tutor 428,940 views 45:36. If you continue browsing the site, you agree to the use of cookies on this website. The exact bond enthalpy of a particular chemical bond depends upon the molecular environment in which the bond exists. Ionic, covalent and metallic bonds are all different types of chemical bonds. A covalent bond is characterized by the sharing of valence electrons by two adjacent atoms. In Metallic Bonding, the atoms in a metallic element undergo a chemical bond. Common examples of such multiple bonds are those formed between atoms in oxygen and nitrogen gas. The bond formed, as a result of the electrostatic attraction between the positive and negative ions, is termed as. "bond energy") Bond energy is the enthalpy change (DH, heat input) required to break a bond (in 1 mole of a gaseous substance). A covalent bond is formed when two atoms with electronegativities share their Dative Bond. A chemical formula represents the ratio of atoms per element that. * Malleable means being able to be beaten into a shape. Different types of chemical bonds and their varying intensity are directly responsible for some of the physical properties of minerals such as hardness, melting and boiling points, solubility. Covalent Chemical With headquarters in Raleigh, NC and regional offices strategically located throughout the country, Covalent Chemical brings back face-to-face, personal service and expertise lost in the chemical industry with the advent of “mega” distributors. There are two main kinds of bonds, they ionic and covalent. Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Let us study some elements, sodium and fluorine for starters, to comprehend the concept of chemical bonding better. During a chemical reaction,bonds between atoms in the reactants are broken and new bonds are formed in the products. Chemical Bonding Vy Bui, Lalein A. Examples of chemical bonds. chemical bond top: covalent bonding in a water molecule center: metallic bonding in silver bottom: ionic bonding in sodium chloride n. Embedded videos, simulations and presentations from external sources are not necessarily covered by this license. Chemical bond definition, something that binds, fastens, confines, or holds together. Most atoms are chemically bonded to other atoms. 1 (A) Explain how chemical reactions result from the making and breaking of bonds in a process that absorbs or releases energy. Examples of Lewis dot-style representations of chemical bonds between carbon (C), hydrogen (H), and oxygen (O). New chemical bonds are generated at the adsorbant surface. Substances such as NaCl and MgCl 2 are the usual examples. Chemical compounds of the elements near column IVA often display semiconduction—for example, gallium arsenide (GaAs), which is used as a high temperature rectifier and a laser material. Elements which lose electrons in a. A single bond is defined as one covalent bond, or two shared electrons, between two atoms. Covalent chemical bond - definition and types. As Derek Muller (from Veritasium) notes, this idea of energy stored in the chemical bonds is very wrong. A covalent bond results when two atoms share electrons, thereby completing their valence shells. Chemical bonds are what make up the world. Two electron pairs or total of four electrons form a double bond and three electron pairs or total of six electrons form a triple bond. A chemical reaction is the process of atoms being rearranged due to a chemical change, resulting in a new substance being produced. Most therapeutic drugs are organic compounds. A chemical bond is formed when two or more atoms are attracted to each other and form a chemical compound. Compound Element 1 (metal or non. What are the chemical bonds? Chemical bonds are defined as a set of interactions that take place in the electron shell of atoms, in order to join and form a molecule or a chemical stable compound. The five linked pages introduce to the concept of a chemical bond and why atoms bond together, types of chemical bonds and which electron arrangements are particularly stable leading to stable chemical bonds. 15 Studies of the Si 2 p core level emission have revealed a 0. A chemical bond where two non metal atoms share a pair of elec… A chemical bond where one atom( a metal) transfers an electron… two or more atoms held together by covalent bonds. bleach (solid) sodium perborate. When students are settled and ready, I refer to their work the day before on Ionic Bonds, and explain that chemical bonding is the last major concept of the unit. If central atom does not have an octet, move electrons from outer atoms to form double or triple bonds. A single bond between sulfur and oxygen should have roughly 22% ionic character. baking soda. A chemical compound is a chemical substance that is made of two or more atoms of different elements that share a chemical bond. 101 synonyms for bond: tie, union, coupling, link, association, relation, connection. Antonyms for Chemical bonds. bond length is 0. (d) 1 triple bond between C and N, 1 N-H bond and 2 lone pairs of electrons on the C atom. It is based on the electrostatic force. Ionic bond, covalent bond, metallic bond, Ionic Compound Properties vs Covalent Compound Properties, examples and step by step solutions, We have a collection of free video lessons suitable for High School Chemistry. Getting Started with Ionic Bonding A Quick Review…. Examples of chemical representations of hydrogen bonds:. Any material made by mixing elements is no longer an element. Online Chemical Bonding Assignment Help A Chemical Bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. What is a Molecule ? Molecules are the smallest identifiable units of chemical compounds. Salts are made of two important components, viz. In bonds, elements are held together and form compounds that may have new physical and chemical properties. Chemical bonds hold your computer together, the cells in your body together, and connect almost everything around us on the atomic level. Only valence electrons are used in chemical bonding in organic molecules. Learn how the. Chemisorption is a kind of adsorption which involves a chemical reaction between the surface and the adsorbate. Examples of Chemical Bonds: 1. These were some illustrative examples, which should have given you an idea about the nature of this type of chemical bond. What is an Elastomer? Elastomer materials are those materials that are made of polymers that are joined by chemical bonds, acquiring a final slightly crosslinked structure. Once you find your worksheet, click on pop-out icon or print icon to worksheet to print or download. In intermolecular hydrogen bonds, the bonds are between hydrogen atom of one molecule and electronegative atom of another. Examples of chemical properties could include heat caused by combustion, a chemical’s reaction with water, or the pH of an element. * In photosynthesis, for example, as we have just seen, the radiant energy of light is transformed into the chemical potential energy of the covalent bonds between the atoms in a sucrose or starch molecule. Embedded videos, simulations and presentations from external sources are not necessarily covered by this license. salt crystals, metals, polymer plastics etc. In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals into new hybrid orbitals (with different energies, shapes, etc. A coordinate covalent bond is imagined to form when one atom donates the entire pair of electrons which are shared with the other atom. The bond type depends on the electron number and the arrangement of electrons in orbits of atoms. Chemical bonding projects can help students understand these difficult and elusive concepts. The C-C covalent bond has 83. Atoms bond so that their outer shells are full of electrons and they become stable, like noble gases. Examples: O 2, N 2, C 2 H 4; Advanced Steps. When packed in a cluster it would look like this (also in example 29 in your workbook). Bonding and Hybridization. Variable metal points Metals have variable melting points due to differences in the strength of the metallic bonds. A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. Sigma bonds are the strong bonds due to maximum overlapping of orbitals. This explains why metals are good conductors. Sodium and Chloride, strung together in a definite ratio. All the individuals who want to improve their general knowledge or are currently preparing for any written exam related to this subject can now do so with ease by using our tests as a guide. Elastomer - definition, properties and examples of elastomer. The same amount of energy was liberated when the atoms made the chemical bond in the first place. This is called the van der Waals attraction; All liquids and some solids are formed through this kind of weak bond. Each of its four hydrogen atoms forms a single covalent bond with the carbon atom by sharing a pair of electrons. Examples: Fe, Au, Co, Br, C, O, N, F. An example of the writing of the electrode reaction type of the chemical fuel cell in the college entrance examination. One example of ionic bonding is the reaction between sodium ( Na) and chlorine ( Cl ) to form table salt ( NaCl ). Chemical Bonding and Molecular (CH2Cl2 and COand CO2 as examples) Chemical Bonding and Molecular Structure. Those atoms are held together usually by one of the three types of chemical bonds discussed above. Some chemical changes are initiated by mixing. Bonding, the way atoms are attracted to each other to form molecules, determines nearly all of the chemical properties we see. chemical bonds, which are unions between the electron structure of different atoms. In this instance, the chemical potential. An example is water, where hydrogen (H) and oxygen (O) bond together to make (H 2 O). In bonding the goal of the atoms involved is to reach a level of stability with less energy. Below are some example elements and compounds and their chemical properties. Ionic bonds are most often formed between atoms of metals and atoms of non-metals. chemical bond top: covalent bonding in a water moleculecenter: metallic bonding in s. The Mont Blanc tunnel is a road tunnel in the Alps connecting Chamonix of France and Courmayeur of Italy, beneath the Mont Blanc massif. The organic molecular substance can be seen in the weak. Lessons 2, 3 and 4 can be used to discuss, evaluate and simply explain the three types of chemical bonding: covalent, ionic and metallic, each type depends on the elements involved. Chemical Reactions are everywhere in nature. Physical Adsorption vs. The first two (A, G) are examples of a purine which contains a six atom ring and five atom ring sharing two atoms. In this interactive activity developed for Teachers' Domain, learn about chemical bonding. * In photosynthesis, for example, as we have just seen, the radiant energy of light is transformed into the chemical potential energy of the covalent bonds between the atoms in a sucrose or starch molecule. Two fluorine atoms, for example, can form a stable F 2 molecule in which each atom has an octet of valence electrons by sharing a pair of electrons. The process by which the plants make their own food is called photosynthesis. Chemical Bonding refers to the formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound. For example, water, H 2 O, has two single bonds, one between each hydrogen atom and the oxygen atom (Fig. Chemical bonds hold atoms in a molecule together by establishing forces between the electrons and nuclei of two atoms. Metallic bonds form when the outer shell electrons are shared between neighboring atoms. Normally, chemical bonds only happen when the bonding reduces the potential energy of the system. 23 T o date, how-. The learning of many of the concepts taught in chemistry, in both secondary schools as well as in the colleges, is. A hydrogen example Hydrogen is #1 on the periodic table. Bond polarity is a useful concept for describing the sharing of electrons between atoms A nonpolar covalent bond is one in which the electrons are shared equally between two atoms A polar covalent bond is one in which one atom has a greater attraction for the electrons than the other atom. When molecules or compounds are chemically changed it is called a chemical reaction. Ionic bonds are usually formed between metals and non-metals, for example, sodium (a metal), and chlorine (a non-metal) to make NaCl, or table salt. Explain the formation of ionic bonds with examples Formation of ionic bonds illustrated using different examples Before you discuss the formation of potassium chloride, calcium sulphide and magnesium fluoride, you need to find out the number of metal and non-metal atoms that will combine with each other to form each of the ionic compounds. A covalent bond is a kind of chemical bond that features sharing of shared pairs or bonding pairs (electron pairs) between atoms. chemical bond meaning: 1. When the force of attraction existing between adsorbate and adsorbent are chemical forces of attraction or chemical bond, the process is called Chemical Adsorption or Chemisorption. • There are 3 basic types of chemical bonds: ionic, covalent and hydrogen. chemical bond top: covalent bonding in a water moleculecenter: metallic bonding in s. When two Na atoms bond to form a gaseous Na 2 molecule, the two valence electrons (one from each Na atom) are found primarily between the two Na nuclei. Chemical energy is stored in the chemical bonds of atoms and molecules. Chemical bond definition, something that binds, fastens, confines, or holds together. The simplest example of bonding can be demonstrated by the H 2. When the force of attraction existing between adsorbate and adsorbent are chemical forces of attraction or chemical bond, the process is called Chemical Adsorption or Chemisorption. For example, in the above picture, just the mixing of two substances can cause the chemical reaction to occur. This energy is transformed into HEAT that will melt the snow and ice. called a double bond, and when three electron pairs are between two atoms it is called a triple bond. Ionic bonds also melt at high temperatures. The learning of many of the concepts taught in chemistry, in both secondary schools as well as in the colleges, is. sodium bicarbonate. Chemical bonds create the attractive forces between atoms in a molecule, where positively charged nuclei are attracted to a region of increased electron density along the bond. To make a crystalline solid, many atoms are packed together in a regular pattern. The module presents chemical bonding on a sliding scale from pure covalent to pure ionic, depending on differences in the electronegativity of the bonding atoms. Ø The R groups (side chain) of certain amino acids contain additional acidic (-COO – ) or basic (-NH 3 + ) groups. • There are 3 basic types of chemical bonds: ionic, covalent and hydrogen. CHEMICAL BONDING. In the combustion of methane, for example, all six bonds in the reactant molecules are broken, and six new bonds are formed in the product molecules (equation 1). Strong and Weak Bond Overview. Energy is required to break any chemical bond. Define chemical bond. In part (c), the polar covalent bonds are shown as electron dots shared by the oxygen and hydrogen atoms. Ionic bonds are usually formed between metals and non-metals, for example, sodium (a metal), and chlorine (a non-metal) to make NaCl, or table salt. Cellulose bonds are not hydrolyzed by human enzymes. Chemical bonding between molecules. Hydrogen bonds are also found in transfer RNA molecules as well as between DNA nucleotides and newly formed mRNA strand. In this example, one pair of electrons is shared between two atoms. The compounds formed from carbon and a few other elements (O, N, P, S and H) form the chemical basis for living systems. The purpose of this section is to specifically address the issues of chemical nomenclature. We will learn about the different kinds of bonds, ways chemists draw bonds and molecules, and how the type of chemical bonding affects the bulk properties of a material. (e) 1 triple bond between C and N, 1 C-H bond and 1 lone pair of electrons on the N atom. Nylon rope is an example of a material that is made up of polymers. orbital electrons c. Chemical compounds are combinations of atoms held together by chemical bonds. This is called the van der Waals attraction; All liquids and some solids are formed through this kind of weak bond. Thus, the hydrogen molecule, H 2, contains a good example of a pure covalent bond. An ionic (or electrovalent) bond is formed between two ions of opposite charges. van der Waals interactions. The methane molecule provides an example: it has the chemical formula CH 4. In this situation one atom of the molecule becomes partly negative and the other then becomes partly positive. an electrical force that holds atoms together to form a molecule (= the smallest unit of a substance) 2. The new grouping is typically more stable—less likely to react again—than its component atoms were when they were separate. Ben Tanen, Blk 7, Exit Project. Chemical Reactions. For example, water, H 2 O, has two single bonds, one between each hydrogen atom and the oxygen atom (Fig. Learn about the role of valence shell electrons and attractive forces in three types of chemical bonds: covalent, ionic, and metallic. Chemical Bonding and Molecular (CH2Cl2 and COand CO2 as examples) Chemical Bonding and Molecular Structure. Chemical Bonding Instructions: Use your web-searching skills to answer the following questions and to complete the "Bonding Comparison Chart". Double covalent bonds form when two pairs of electrons are shared between the atoms involved. Lesson 8: Naming Covalent Compounds. Assemble and test the electrical testing kit. Ionic bonds are formed by the electrostatic attraction of atoms that have opposite charges. Ions form a crystalline lattice. There's actually a whole spectrum of weak interactions between atoms, here are some (roughly in order from weak to strong): 1. ppt [Compatibility Mode]. • Octet Rule Atoms of different elements take part in chemical combination in order to complete their octet or to attain the noble gas configuration. Examples of such bonds include covalent bonds and ionic bonds. Bond polarity is a useful concept for describing the sharing of electrons between atoms A nonpolar covalent bond is one in which the electrons are shared equally between two atoms A polar covalent bond is one in which one atom has a greater attraction for the electrons than the other atom. The stability of a molecule is a function of the strength of the covalent bonds holding the atoms together. Our online chemical bond trivia quizzes can be adapted to suit your requirements for taking some of the top chemical bond quizzes. In this situation one atom of the molecule becomes partly negative and the other then becomes partly positive. The Organic Chemistry Tutor 428,940 views 45:36. Chemical Bonds. In terms of an analogy, just like how good, emotional bonds with those around us creates communities, chemical bonds formed between atoms result in the formation of compounds. Organic compounds, such as carbohydrates, lipids, proteins, and nucleic acids, are all examples of molecular compounds. One type of chemical bond is an ionic bond. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion. Na 2 B 4 O 7. Examples of other molecules that have polar covalent bonds are Peptide bonds and amines. For chemicals to react, their bonds must be rearranged, because obviously the bonds in the products are different from those in the reactants.