Question

(1) Lead
rue or false?
1. The valency of hydrogen is 1.
2. The valency of oxygen is 2.
3. The symbol of iron is I.
4. The symbol of silver is Ag.
5. The valency of calcium is 2 and that of chlorine is
6. The valency of both zinc and oxygen is 2. So, zinc
Write the formula of each of the following compounds.​

Answer 1

Answer:

1.true

2.true

3.false

4.true

5.false

6.true

Answer 2

Answer:

1) true

2) true

3) false

4) trueValency of Calcium is 2 and Valency of Chlorine is 1

5) true