Calculate the 'spin only' magnetic moment of `M^(2+)(aq)[Z=27]` ion.

Explanation

Electronic configuration of `M : [Ar]3d^(7)4s^(2)`
Electronic configuration of `M^(2+)` :
`therefore` The spin only magnetic moment of `M^(2+)(aq) :`
`mu=sqrt(n(n+2))BM=sqrt(3(3+2))=sqrt(15)BM=3.87 BM`