Two elements A and B have the following electronic configurations. The formula of the compound formed between them can beA = 1s2 2s2 2p6 3s2 3p1 B = 1s2 2s2 2p4

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AB2

A2B3

A3B2

answer is C.

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Detailed Solution

A = 1s2 2s2 2p6 3s2 3p1 valency of 'A' is 3B = 1s2 2s2 2p4 valency of 'B' is 2 Formula of the compound formed will be A2B3 .

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