Chemical Reactions

Front

What are the properties of matter?

Back

Magnetism, Color, Odor, All of the above.

Front

What is an example of a chemical change?

Back

Burning wood, Rust on a car, Cooking food, All of the above.

Front

If you start a chemical reaction with 5 atoms of helium, how many atoms will you have after?

Back

5 atoms.

Front

What results in no new substances?

Back

A physical change.

Front

Is TNT exploding a physical or chemical change?

Back

Chemical.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, matter is neither created nor destroyed.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.