8th Grade Chemistry Review

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a homogeneous mixture?

Back

A mixture in which the individual substances are evenly mixed.

Front

Is the equation 4Fe + 3O2 --> 2Fe2O3 balanced?

Back

Yes.

Front

Is salt (NaCl) a compound or an element?

Back

Compound.

Front

What is all matter made of?

Back

Atoms.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is a compound?

Back

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

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a solute?

Back

A substance that is dissolved in a solution.