Chemistry Quiz

What is the term for the percent by mass of each element in a compound?

• Empirical Formula

• Molecular Formula

• Percent Composition

• Coefficient

What is a compound called that has one or more water molecules bound to each formula unit?

• Anhydrous

• Hydrate

• Precipitate

• Reactant

What is the term for a compound with no water in its structure?

• Hydrate

• Anhydrous

• Coefficient

• Product

What is the lowest whole number ratio of the elements in a compound called?

• Molecular Formula

• Empirical Formula

• Balanced Equation

• Synthesis Reaction

What gives the number and kind of atoms of each element in a molecule or compound?

• Empirical Formula

• Molecular Formula

• Coefficient

• Reactants

What is the symbolic representation of the relative amounts of reactants and products in a chemical reaction?

• Chemical Equation

• Balanced Equation

• Synthesis Reaction

• Decomposition Reaction

What are the substances entering into a chemical reaction called?

• Products

• Reactants

• Precipitates

• Coefficients

What are the substances produced by a chemical reaction called?

• Reactants

• Products

• Coefficients

• Hydrates

What is a chemical equation that shows the conservation of mass with equal atoms on both sides of the reaction called?

• Empirical Formula

• Balanced Equation

• Synthesis Reaction

• Decomposition Reaction

What is the small whole number placed in front of a formula, used to balance a chemical equation?

• Coefficient

• Reactant

• Product

• Precipitate