Question

G.
True 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 1. So, calcium chloride is a Cl.
6. The valency of both zinc and oxygen is 2. So, zinc oxide is Zno.
​

Answer 1

Answer:

1.true

2.true

3.false

4.true

5.false

6.true

hope it helps

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Answer 2

1

true

2

3false

4

false

5

true

I don't know

I don't know