5a 3: Counting Atoms

How many hydrogen atoms are in the compound 2(H₂S)₂?

• 2

• 4

• 6

• 8

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How many sodium atoms are in the compound (Na₂)₂O?

• 1

• 2

• 3

• 4

What is the total number of atoms in the compound 2(ZnO)₂?

• 4

• 6

• 8

• 10

How many chlorine atoms are in the compound 3Mg(Cl₂)₃?

• 6

• 9

• 12

• 18