Question

how many d electrons are there in fe+2 ions​

Answer 1

Hi friend here is your answer.

#######################

Fe--26 Atomic number.

So, Fe has 3d6 and Fe+2 has 3d4 electrons.

#######################

Answer 2

hey mate : )

==========================

Irons contains in all 26 electrons. So the electronic shell configuration will be divided as - 2,8,14,2 (2+8+14+2=26) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6.

=========================

hope it helps ^o^