Atoms and Ions

How is an atom and ion different?

• An atom has a charge and an ion has no charge.

• An atom has no charge and an ion has a charge.

What is another name for a positive ion?

• atom

• cation

• anion

• proton

What is another name for a negatively charged ion?

• atom

• anion

• cation

• electron

What charge will result if an ion loses electrons?

• positive

• negative

• neutral

What charge results of an ion gains electrons

• positive

• neutral

• negative

What charge will atoms in group 1A have?

• +2

• +1

• -1

• -2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What charge will elements in group 13 (3A) have?

• +1

• +3

• -1

• -3

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-PS1-2

NGSS.HS-PS1-1

Na ionizes to a charge of _______

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

K ionizes to a charge of _________.

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1