Forming Ions

Ca⁺²

In⁺³

Li⁺¹

All of these are cations.

Cl^-1

N^-3

Se^-2

These are all examples of anions.

+1 ions

+2 ions

-1 ions

-2 ions

+1 ions

+2 ions

+3 ions

-6 ions

+3 ions

-5 ions

-3 ions

+5 ions

is the only element that forms more than one ion charge.

forms only +1 ions.

forms only -1 ions

can form +1 ions and -1 ions.

is the only element that can form more than one ion charge.

can only form +4 ions

can only form -4 ions.

can form +4 ions and -4 ions.

have 7 valence electrons.

form -1 ions

are the most reactive family of nonmetal elements.

All of these are true.

form +2 ions

form -2 ions

form +6 ions

form -6 ions

never form ions.

only form positively charged ions.

only form negatively charged ions.

usually form more than one ion charge.