Chemistry

The valency of calcium is 2. Write the valencies of other radicals in the following compounds:
(a) CaO
(b) Ca(OH)₂
(c) CaCO₃
(d) CaCl₂

Atomic Structure

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Answer

(a) Oxide (O^2-) valency is 2

(b) Hydroxide (OH^-) valency is 1

(c) Carbonate (CO₃^2-) valency is 2

(d) Chloride (Cl^-) valency is 1

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