Balancing Equations Unit Review

How many atoms are in H₂ ?

• 1

• 2

How many atoms are in 3 O₂ ?

• 2

• 3

• 5

• 6

How many atoms are in H₂SO₄ ?

• 1

• 3

• 6

• 7

How many atoms are in CH₃OH ?

• 1

• 3

• 6

• 7

How many atoms of hydrogen are in 2 NaH₂CO_{3 ?}

• 1

• 2

• 4

• 7

• 14

How many atoms of carbon are in 6 CO_{2 ?}

• 1

• 2

• 3

• 6

• 18

How many elements (kinds of atoms) are in the formula

2 NH₄C₂H₃O₂ ?

• 1

• 4

• 12

• 24

How many atoms are in Pb(NO₃)₂

• 3

• 7

• 8

• 9

• 10

How many elements (kinds of atoms) are in the formula Ca₃(PO₄)_{2 ?}

• 1

• 3

• 4

• 13

• 16

How many molecules

are in 3 CH₄ ?

• 2

• 3

• 5

• 15