Selina Concise Chemistry Class 10 ICSE Solutions Chemical Bonding Selina Concise Chemistry Class 10 ICSE Solutions Chemical Bonding Exercise Intext 1 1. How do atoms attain noble gas configuration? Solution 1. Atoms lose, gain or share electrons to attain noble gas configuration. 2.Define (a) a chemical bond (b) an electrovalent bond (c) a covalent bond Solution 2. (a) A chemical bond may be defined as the force of attraction between any two atoms, in a molecule, to maintain stability. (b) The chemical bond formed between two atoms by transfer of one or more electrons from the atom of a metallic electropositive element to an atom of a non-metallic electronegative element. (c) The chemical bond formed due to mutual sharing of electrons between the given pairs of atoms of non-metallic elements is called as a covalent bond. 3.What are the conditions for formation of an electrovalent bond? Solution 3. Conditions for formation of Ionic bond are:...
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