It will be Neon if it is a stable atom. It will be either Na+, Mg2+, or Al3+ if it is for a stable negative ion. It will be either F-, or O2- if it is a stable negative. Each has 10 electrons total and 8 valence electrons.
It will be Neon if it is a stable atom. It will be either Na+, Mg2+, or Al3+ if it is for a stable negative ion. It will be either F-, or O2- if it is a stable negative. Each has 10 electrons total and 8 valence electrons.