# In water with a pH of 7, the amino acid glycine (CH_2(NH_2)CO_2H) primarily exists in which form?

As the $\text{zwitterion}$.
At neutral $p H$, $\text{glycine}$ exists as the $\text{zwitterion}$, ${H}_{3} {N}^{+} C {H}_{2} C {O}_{2}^{-}$.