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Which of the following statement (s) is ...

Which of the following statement (s) is (are) correct ?

A

The electronic configuration of `Cr` is `[Ar] 3d^(5) 4s^(1)` (atomic number of `Cr = 24)`

B

The magnetic quantum number may have a negative value

C

In silver atom, 23 electrons have a spin of one type and 24 of the opposite type. (atomic number of `Ag = 47)`

D

The oxidation state of nitrogen in `HN_(3)` is `-3`

Text Solution

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The correct Answer is:
A, B, C
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