Ions

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Negative ions form when atoms _________ valence electrons.

• lose
• gain
• share

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Rb ionizes to a charge of _________.

• +2

• +1

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Mg ionizes to a charge of ______.

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-2

Al ionizes to a charge of _______.

• +3

• -3

• +2

• -2

N ionizes to a charge of _______.

• +3

• -3

• +2

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

O ionizes to a charge of ________.

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Cl ionizes to a charge of _________.

• -2

• -1

• +1

• +2

Why are ions formed?

• To make our lives difficult
• Because atoms want 8 valence electrons
• Because atoms have the same number of protons and electrons
• Because atoms gained neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2