Midterm Practice Test

Front

What is the result of substances being combined in a chemical reaction?

Back

Product

Front

What do you call two or more substances combined physically (not chemically) that can be separated through physical means?

Back

Mixture

Front

What is the average atomic mass of Mercury?

Back

200.59

Front

What type of chemical reaction occurs when two or more reactants are combined to create a more complex product?

Back

Synthesis

Front

How do you calculate the density of a substance?

Back

Density = Mass/Volume

Front

What is a catalyst in a chemical reaction?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a molecule?

Back

The smallest unit of a chemical compound that retains its chemical properties.

Front

What is a pure substance?

Back

A material made of only one type of particle, either an element or a compound.

Front

What is the difference between a reactant and a product?

Back

Reactants are substances that start a chemical reaction, while products are substances formed as a result of the reaction.