The electronic configuration of a dipositive ion `M^(2+)` is 2, 8, 14 and its mass number

The electronic configuration of a dipositive ion M^(2+) is 2, 8, 14 and its atomic mass is 56. what is the number of neutrons in its nucleus ?

The electronic configuration of Cu^(2+) ion is :

The electronic configuration of calcium ion (Ca^(2+)) is

Electronic configuration of Fe^(2+) ion is

The electronic configuration of the Mn^(4+) ion is -

The electronic configuration of Ti^(2+) ion is ………….