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Choose the correct options from the foll...

Choose the correct options from the following: 

A

Cr and have the same number of valence shell electrons.

B

Cr and S have different number of unpaired electrons in their ground state.

C

Cr and S are the elements of the same period.

D

In the long form of the periodic table, the Group number of Cr and S is 6 and 16, respectively.

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The correct Answer is:
A, B, D
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