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The electronic configuration of Cr is...

The electronic configuration of Cr is

A

2,8,13,1

B

2,8,14

C

2,8,12,2

D

2,8,10,4

Text Solution

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The correct Answer is:
A
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Which one of the following statement (s) is (are) correct ? (A) The electronic configuration of Cr is [Ar] 3d^(5) 4s^(1) . (Atomic No. of Cr = 24) (B) The magnetic quantum number may have a negative value (C) In silver atom, 23 electrons has a spin of one type and 24 of the opposite type. (Atomic No. of Ag = 47) (D) The oxidation state of nitrogen in NH_(3) is -3 .

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