Question

LO. The valencies of some radicals are given below. Write the chemical formula of the
following compounds.
Radicals
Valencies
Calcium
Zinc
Potassium
Chloride
Bicarbonate
Hydroxide
(a)Potassium hydroxide
(b)Zinc chloride
(c)Calcium bicarbonate


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Answer 1

Answer:

Valences

1. Ca +2
2. Zn +2
3. K +1
4. Cl -2
5. HCO3 -1
6. OH -1

Chemical formulas

• KOH
• ZnCl2
• Ca(HCO3)2