(Q2) Benchmark Review

Front

What is the atomic composition of ethane?

Back

2 carbon, 4 hydrogen

Front

How many carbon atoms will there be in the products of a reaction that starts with one carbon atom?

Back

one

Front

What does the conservation of mass state?

Back

Matter is neither created nor destroyed in a chemical reaction.

Front

What are the molecules you end with in a chemical reaction called?

Back

Products

Front

How do the properties of a product compare to the reactants in a chemical reaction?

Back

The product will have new properties.

Front

What is a reactant?

Back

A substance that is present at the start of a chemical reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

The total mass of reactants equals the total mass of products in a chemical reaction.

Front

What happens to atoms during a chemical reaction?

Back

Atoms are rearranged to form new substances.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.