Chemistry
Grade-9
Easy

Question

The ground state electronic configuration of Cr is:

  1. [Ar] 4s1 3d5
     
  2. [Ar] 4s1 3d4
  3. [Ar] 3d4
  4. [Ar] 4s1 3d3

hintHint:

Electron configuration of chromium is 1s2 2s2 2p6 3s2 3p6 3d5 4s1

The correct answer is: [Ar] 4s1 3d5
 


    Electron configuration of chromium is 1s2 2s2 2p6 3s2 3p6 3d5 4s1 which is [Ar]3d5 4s1

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