Which of the following particles has more ele | vedclass

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(C) To determine the number of electrons and neutrons,we use the atomic number $(Z)$ and mass number $(A)$: $1$. For $C$ $(Z=6, A=12)$: $p=6, e=6, n=6

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$O^{-2}$

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(C) To determine the number of electrons and neutrons,we use the atomic number $(Z)$ and mass number $(A)$: $1$. For $C$ $(Z=6, A=12)$: $p=6, e=6, n=6$. $2$. For $F^{-}$ $(Z=9, A=19)$: $p=9, e=10, n=10$. $3$. For $O^{-2}$ $(Z=8, A=16)$: $p=8, e=10, n=8$. $4$. For $Al^{+3}$ $(Z=13, A=27)$: $p=13, e=10, n=14$. In $O^{-2}$,the number of electrons $(10)$ is greater than the number of neutrons $(8)$.

Which of the following particles has more electrons than neutrons?

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