Question

write electronic configuration of Fe,Fe2+,Fe3+​

Answer 1

Answer:

Fe = 3d6 4s2

Fe2+ = 3d5 4s1

Fe3+ = 3d3 4s2

Answer 2

Explanation:

Iron is a compound of D block.

The atomic number of iron is 26.

this 3 are the different atomic stages of the iron.

the electronic configuration of Fe is

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

the electronic configuration of Fe²+ is

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

and the electronic configuration of Fe³+ is

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