Question

Which of the following particles has more electrons than neutrons

• A. $C$
• B. $F^{-}$
• C. $O^{- 2}$
• D. $Al^{+ 3}$

Answer 1

Answer: (C)

$O^{- 2}$

Answer 2

${}_{8}^{16}O^{- -}$ have more electrons than neutron

$p = 8,e = 10,n = 8$.