Question

An element take the symbol as M has 26 protons in the nucleus of its atom. Write the electronic configuration of M2+ and M3+

Answer 1

electronic configuration of

M²+ : 1s² 2s²2p⁶3s²3p⁶4s²3d4

M³± : 1s²2s²2p⁶3s²3p⁶3d⁵4s⁰

the no. of proton is equal to no of electron ..(in neutral situation)

then no of electron in M=26

,,. ,,. ,,,. M²+=24

,,. ,,. ,,,. M³+=23