Question

Write down the chemical formula of
a) sodium sulphide b) aluminium hydroxide c) calcium carbonate
d) magnesium chloride e) barium sulphate f) potassium nitrate
using the data given in the table.
s no. atom valency
1. sodium +1
2. magnesium +2
3. aluminium +3
4. barium +2
5. calcium +2
6. potassium +1
7. chloride -1
8. hydroxide -1
9. sulphate -2
10. carbonate -2
11. nitrate -1
12. sulphide -2

Answer 1

Hope it's help you friend ☺️

Answer 2

1) Nasl 2) aloh 3) caclo3 4) mgcl 5) basu 6) kni sorry I didn't do it by valencies