which one of the following statement is correct for alkaline earth metal?

Options

A. They are diatomic and form ions of the type `M^+`
B. They are highly electronegative elements
C. They are monoatomic and form ions of the type `M^(+2)`
D. They are diatomic and form ions of the type `M^(2+)`

Answer

C

Explanation

Alkaline earth metals are monatomic and forms `M^(2+)` ions.