Question

Using the valencies write down the chemical formula of the following compounds. 1. Calcium nitrate 2. Lead asetate 3. Silica 4. Berium chloride 5. Sodium hydroxide 6. Ammonium sulphate

Answer 1

1.CaNO3
2.
3.SiO2
4.BeCl2
5.NaOH2
6.(NH4)2SO4

Answer 2

Answer:

ist answer:ca(No3-)2

iind ans:pb2+CHCOO