An oxide ion, O2-, has

An oxide ion, O2-, has

An oxide ion, O2-, has




A) 8 protons and 10 electrons.
B) 10 protons and 8 electrons.
C) 8 protons and 9 electrons.
D) 8 protons and 7 electrons.
E) 10 protons and 7 electrons.



Answer: A