Which of the following species is/are isoelectronic with Neon?
i) $$\mathrm{N^{3-}}$$ ii) $$\mathrm{Mg^{2+}}$$
iii) $$\mathrm{K^+}$$ iv) $$\mathrm{Ca^{2+}}$$

A

only (iv)

B

only (ii)

C

both (i) & (ii)

D

both (i) & (iii)