the number of d- electrons in `Mn^(2+)` is equal to that of :
A. p- electrons in N
B. s- electrons ion Na
C. d- electrons in `Fe^(+3)`
D. p- electrons in `O_(-2)`
A. p- electrons in N
B. s- electrons ion Na
C. d- electrons in `Fe^(+3)`
D. p- electrons in `O_(-2)`
Correct Answer – b,c
No . Of d`e^(-) =5`