Question

Atoms A and B have electronic confirugation-(2,8,8,2) and (2,6).
What is the formula of the compound A and B?

Answer 1

Answer:

Here is your answer

Explanation:

$According _to_the_ electronic_ configuration$

Element A is Ca i.e calcium, valency of calcium is 2

Element B is O i.e oxygen,

valency of oxygen is 2

Therefore,

Formula is CaO.

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