Question

How to write chemical formula by Criss crossing valencies.
1. Calcium carbonate
2. Aluminium chloride
3. Ammonium hydroxide
4. Hydrochloric acid
5. Zinc bromide​

Answer 1

Answer:

1. CaCO3

2. Al3Cl3

3. NH4OH

4. HCl

5. ZnBr2

Explanation:

Answer 2

Answer:

see the link

Explanation:

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