Question

Q.21
Write the electronic configuration of the following -


Fe 3+ ( Z = 26)
​

Answer 1

Fe(Z = 26): [Ar]184s23d6. Fe3+:[Ar]183d5.

Explanation:

hope it helps

Answer 2

Answer:

[Ar]3d 5

Explanation:

At no. of Fe = 26

In Fe 3+ It loses 3 electrons and configuration become 23

So , the final electronic configuration is

1s²2s²2p6 3s² 3p6 3d5

Hope it helps.