(Cr) is member of (3d) transition series of atomic number (2... | Chemistry | SolveeIt | Solveeit

Today, August 24

Question

$Cr$ is member of $3d$ transition series of atomic number $24$ . What will be its electronic configuration?

A

$3d^{6}4s^{2}$

B

$3d^{5}4s^{2}$

C

$3d^{4}4s^{2}$

D

$3d^{5}4s^{1}$

Answer

$3d^{5}4s^{1}$

Explanation

Solution

${ }_{24} Cr \longrightarrow[ Ar ] 3 d^{5} 4 s^{1}$