The nuclear equation below shows a magnesium-23 nucleus undergoing $\beta^+$ decay: $^{23}_{12}\text{Mg} \rightarrow X + \beta^+ + \nu_e$. What is the identity of nucleus X?
- A$^{22}_{11}\text{Na}$
- B$^{23}_{13}\text{Al}$
- C$^{23}_{11}\text{Na}$
- D$^{23}_{13}\text{Al}$