Question

Atomic number of Iron( Fe )is 26.

(a). Write its subshell electronic configuration

(b).To which group and block of the periodic table does Iron belong

(c).What is the oxidation state of Fe in Fe2O3 (oxidation state of oxygen is -2)

(d).Write down the subshell electronic configuration of the Fe ion with this oxidation state​

Answer 1

a)Its electronic configuration =2 8 8 8.

b)Group group 8

Period period 4

Block d-block

c)As the oxidation number is getting reduced in iron, hence it is getting reduced.

d)+ 3

1s2 2s2 2p6

From 3d subshell