Question

Write down the name of compound and elements present in the compound represented by thw following formulae.
a. NaCl
b.CaO
c.KNO₃

Answer 1

NaCl- also known as Sodium Chloride or common salt, this formula has a single atom of Sodium and a single atom of Chloride. 

CaO- Not define

KNO3 - It is an ionic salt of potassium ions K+ and nitrate ions NO3−, and is therefore an alkali metal nitrate

Answer 2

sodium chloride

calcium oxide

pottasiun nitrate