Which set represents isoelectronic species?

Options

A. `Be, Al^(3+), Cl^(-1)`
B. `Ca^(2+), Cs^(+), Br`
C. `Na^(+), Ca^(2+), Mg^(2+)`
D. `N^(3-), F^(-), Na^(+)`

Answer

D

Explanation

each has 10 electrons