Question

Formula of calcium oxide is:
(A) Ca2O2
(B) CaO2
(C) CaO
(D) Ca2 O

Answer 1

Answer:

Cao

Explanation:

Ca=calcium

o=oxide

Answer 2

Answer:

The formula of Calcium Oxide is CAO (c).

Explanation:

The molecule is formed by the calcium cation Ca+2 and the oxygen anion O-2, which form a ionic bond.

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