Ions and Valence Electrons

Front

How many valence electrons does Oxygen (O) have?

Back

6

Front

What are ions?

Back

Atoms with an electric charge.

Front

What do atoms in Group 16 do to form a -2 charge?

Back

They gain 2 electrons.

Front

What are negative ions formed by non-metals called?

Back

Anions.

Front

How many valence electrons are needed to fulfill the octet rule?

Back

8.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight valence electrons.

Front

What is the charge of a cation?

Back

Positive.

Front

What is the charge of an anion?

Back

Negative.

Front

Which group of the periodic table typically contains non-metals?

Back

Group 16 and Group 17.

Front

What happens to the valence electrons of metals when they form ions?

Back

They lose their valence electrons.