Which Is the Appropriate Description Of Sr²⁺

Which is the appropriate description of Sr²⁺?

A) This is an atom and can be used to form chemical compounds.
B) This is an atom with a charge of +2 because there are more neutrons than protons.
C) This is an ion with a charge of +2 because there are two more protons than electrons.
D) This is an ion with a charge of +2 because there are more electrons than protons.