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in Chemistry by (23.9k points)
The element with electron configuration `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(5)` belongs to
A. 4th period, VA group
B. 5th period, IVA group
C. 4th period, VIIA group
D. 7th period, IVA group

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1 Answer

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by (24.1k points)
Correct Answer - C

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