Quiz on Balancing Equations

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)

Which side of a chemical equation os the product side?

• Left (before the yields sign)
• Right (after the yields sign)

Which problem is balanced?

• PbO₂ + 2H₂
• SO₂ + H₂0 --> H₂SO₄
• 2Na + 2H₂O --> 2NaOH + H₂

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 
• Subscript
• Atom
• Equation

What does the Law of Conservation of Mass state?

• Matter cannot be gained or lost in a chemical reaction.
• Matter can only be lost in a chemical reaction.
• Matter can only be gained in a chemical reaction.
• Matter can be gained and lost in a chemical reaction. 

How many Mn atoms are found in the following compound?
3Cr(MnO₄)₆

• 3
• 4
• 6
• 18

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number to the left of a formula.

These are the compounds you have at the beginning of the reaction

• products

• reactants

Is this equation balanced?

• yes
• no
• Not enough information