What is an ionic bond? With two suitable examples explain the difference between an ionic and a covalent bond?
What is an ionic bond? With two suitable examples explain the difference between an ionic and a covalent bond?
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1 Answer
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This is a Short Answer Type Questions as classified in NCERT Exemplar
Ans: Ionic bonds are such bonds in which complete transfer of electrons from one atom to another atom. Due to complete transfer positive and negative ions are formed in this bond. The ions in this bond are held together by electrostatic force of attraction. The formation of calcium fluoride CaF2 leads to the formation of an ionic bond.
Ca→ Ca2+ + e - The electronic configuration of Ca= [Ar] 4s2 and Ca2+= [Ar]
F +e -→F- The electronic configuration of F= [He] 2p5 and F = [He ]2p6
Thus Ca2+ +2F- → CaF2
A covalent bond
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