Subatomic Review

How do atoms become ions?

• By gaining or losing protons.

• By gaining or losing electrons.

• By gaining or losing neutrons.

• By gaining or losing positrons.

What do metals do to become ions?

• Gain electrons

• Lose electrons

• Gain protons

• Lose protons

What do nonmetals do to become ions?

• Gain electrons

• Lose electrons

• Gain protons

• Lose protons

Why are the Noble Gases so stable?

• They have a full outer shell of electrons.

• They have a full inner shell of electrons.

• They have a full nucleus of protons.

• They have a full nucleus of neutrons.

What happens when metals become ions?

• They gain electrons and their radius increases.

• They lose electrons and their radius increases.

• They lose electrons and their radius decreases.

• They gain electrons and their radius decreases.

What happens when nonmetals become ions?

• They gain electrons and their radius increases.

• They lose electrons and their radius increases.

• They lose electrons and their radius decreases.

• They gain electrons and their radius decreases.

How many protons in ²H?

• 1

• 2

• 3

• 0

How many protons in ³H?

• 1

• 2

• 3

• 0

How many protons in ¹H?

• 1

• 2

• 3

• 0

How many neutrons in ¹H?

• 1

• 2

• 3

• 0