Question

(a) Give the electronic configurations of sodium and chlorine.
(b) Write the electron-dot structures for sodium and chlorine atoms.
(c) Describe the formation of sodium chloride from sodium and chlorine by the transfer of electrons. What changes take place in the electronic configurations of sodium and chlorine during the formation of sodium chloride?
​(d) Write any two properties of ionic compounds.

Answer 1

Answer: (a) electronic configuration-

Sodium (Na)- 2,8,1

Chlorine(Cl)-2,8,7

changes are-

Sodium-2,8

Chlorine-2,8,8

Explanation:

(d) properties of ionic compound-

1. these are usually crystalline solid

2.these compounds are soluble in water