Remembering the cations

Label the ion correctly.

a

b

copper(II)

+

iron(II)

2+

silver

-

zinc

iron(III)

2

2-

What is the name of the ion for the symbol shown?

a

b

iron(III)

Zinc

iron(II)

-

2+

+

2

2-

silver

copper(II)

Match the following ions to their formulae.

• Cu²⁺

• iron(III)

• Zn²⁺

• copper(II)

• Fe³⁺

• silver

• Fe²⁺

• iron(II)

• Ag⁺

• zinc

Organize these options into the right categories

• silver

• Cu²⁺

• iron(II)

• Zn²⁺

• zinc

• Fe³⁺

• copper(II)

• Fe²⁺

• iron(III)

• Ag⁺

Label the ion correctly.

a

e

Ag

Zn

Cu

-

+

Fe

Cations are...

• Positive

• Negative

• Neutral

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

what charge will an aluminum ion have?

• 3+
• 2+
• 2-
• 3-

Tags

NGSS.HS-PS1-1

Answer explanation

Sodium is a group 1 element so it loses one electron and becomes a cation with a 1+ charge.

Which of the following represents a potassium ion?

Answer explanation

Potassium is a group 1 element so it loses one electron and becomes a cation with a 1+ charge.