The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is

Question

The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is (A) 20Ca (B) 30Zn (C) 33AS (D) 24Cr

Tardigrade Admin · Accepted Answer

It is Cr and has configuration 3d5 4s1 i.e., 6 unpaired electrons.

Q. The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is

$20_{C} a$

$30_{Z} n$

$33_{A} S$

$24_{C} r$

It is Cr and has configuration $3 d^{5} 4 s^{1}$ i.e., 6 unpaired electrons.

Q. The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is

20C​a

30Z​n

33A​S

24C​r

It is Cr and has configuration 3d54s1 i.e., 6 unpaired electrons.

$20_{C} a$

$30_{Z} n$

$33_{A} S$

$24_{C} r$

It is Cr and has configuration $3 d^{5} 4 s^{1}$ i.e., 6 unpaired electrons.