Modeling Equations Quiz

Block?

• 1
• 2
• 5
• 6

What is the subscript in the following chemical formula? 3CO₂

• 3

• C

• 2
• O

What is the coefficient in the following chemical formula? 3CO₂

• 3

• C

• 2
• O

How many C's (Carbon Atoms) are there in the following formula? 3CO₂

• 3

• 6

• 2
• 1

How many O's (Oxygen Atoms) are there in the following formula? 3CO₂

• 3

• 6

• 2
• 1

How many Cl's (Chlorine Atoms) are there in the following formula? 3Na + 2Cl₂

• 8

• 5

• 2

• 4

How many P's (Phosphorus Atoms) are there in the following formula? 3P₄O₁₀

• 4
• 7

• 12

• 3

How many C's (Carbon Atoms) are there in the following formula? CH₄ + 3CO₂

• 2
• 4
• 7

• 3

Is the following equation balanced or unbalanced? H₂ + O₂ → 2H₂O

• Balanced
• Unbalanced

Is the following equation balanced or unbalanced? 3H₂ + N₂ → 2NH₃

• Balanced
• Unbalanced