Main group 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

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

NGSS.MS-PS1-1

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

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

Which particles change the charge in atoms when ions are formed?

• Protons
• Electrons
• Neutrons
• Kittens

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Na ionizes to a charge of _______

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

F 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