Which is an isotope of ²⁴Mg?

A.     \(_{{\text{11}}}^{{\text{24}}}{\text{Na}}\)

B.     \(_{{\text{21}}}^{{\text{24}}}{\text{M}}{{\text{g}}^{2 + }}\)

C.     \(_{{\text{12}}}^{{\text{26}}}{\text{Mg}}\)

D.     \(_{{\text{10}}}^{{\text{22}}}{\text{Ne}}\)

C