Two elements A and B have electronic configurations 2.8.3 and 2.6 respectively.

Two elements A and B have electronic configurations 2.8.3 and 2.6 respectively.
a) To which group and period does element B belong?
b) If the two react, what is the formula of the compound they form

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(a) Group 6
period 2
(b) A₂B₃

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sharon kalunda answered the question on May 16, 2019 at 11:39

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