Ions

Why are ions formed?

• To make our lives difficult

• Because atoms want to be stable

• Because atoms have the same number of protons and electrons

• Because atoms gained neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Protons

• Electrons

• Neutrons

Tags

NGSS.HS-PS1-1

Cations are...

• Positive

• Negative

• Neutral

Anions are...

• Positive

• Negative

• Neutral

Tags

NGSS.HS-PS1-2

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

Tags

NGSS.HS-PS1-1

An atom becomes _______ when it loses electrons.

• Positive

• Negative

• Neutral

Tags

NGSS.HS-PS1-1

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

Cations are

• negative ions

• neutral electrons

• positive ions

Anions are

• Negative ions

• Neutral ions

• Positive ions