What is an ion?

• A Charged Atom

• A Large Atom

• A Small Atom

• A Cute Atom

Tags

NGSS.HS-PS1-3

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

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

• positive

• negative

• neutral

• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When an atom gains a valence electron, it becomes a _____________ ion.

• positive

• negative

• neutral

• polyatomic

Atoms that gain & lose electrons are called _________

• ions
• isotopes
• radioactive
• corrosive

Anions are...

• Positive
• Negative
• Neutral
• Crying

Cations are...

• Positive
• Negative
• Neutral
• Purring

Tags

NGSS.HS-PS1-2

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

Tags

NGSS.HS-PS1-1

What is the charge of an atom that has gained one electron?

• -1
• -2
• +1
• +2

If an element has 3 valence electrons, what charge will likely form on its ion ?  Hint:  It will lose those electrons.  What happens to the charge when it loses 3 electrons?

• +3
• +5
• -3
• -5

Tags

NGSS.HS-PS1-1