Concept explainers
Interpretation:
The elements which react to form ionic compounds are to be written.
Concept introduction:
Ionic bonds are formed when there is complete transfer of electrons from one atom to another forming the bonds.
Answer to Problem 2A
One metal and one non-metal react to form ionic bond.
Formula of ionic compound:
Calcium loses two electrons as:
Chlorine gains one electron as:
Therefore one atom of calcium forms ionic bond with two atoms of chlorine
Explanation of Solution
Electronic configuration of calcium is:
Electronic configuration of chlorine is:
Calcium has two electrons in valence shell and hence it has tendency to loss two electrons where Chlorine has seven electrons in valence shell and hence it has tendency to gain one electron. Therefore one atom of calcium forms ionic bond with two atoms of chlorine and the chemical formula of calcium chloride is
Thus, for forming an ionic compound one element should donate electrons and other should accept electrons.
Chapter 12 Solutions
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