Charges on ions

Match the following elements with their charges

• +1

• Na

• -1

• Br

• +3

• N

• -3

• O

• -2

• Al

Match the following polyatomic ions (back of your periodic table) with their charge

• -1

• Phosphate

  PO₄

• +1

• Chlorate

  ClO₃

• -3

• Carbonate

  CO₃

• -2

• Ammonium

  NH₄

What is the charge on a magnesium ion? (enter your answer as the number then the charge)

What is the charge on an iodine ion? (enter your answer as the number then the charge)

What is the charge on a sulfur ion? (enter your answer as the number then the charge)

What is the charge on a phosphorus ion? (enter your answer as the number then the charge)