Unit 2 Vocab

Front

What is a substance made of two or more elements in a set ratio?

Back

A compound.

Front

What is the term for the form or appearance of matter altered but not a different substance?

Back

A physical change.

Front

What do you call a group of two or more atoms held by chemical bonds?

Back

A molecule.

Front

What is the solution in the largest amount that dissolves the other substance called?

Back

The solvent.

Front

What term describes chemicals and resources made by humans?

Back

Synthetic.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements are chemically bonded, while a mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the process called when a substance changes from a solid to a liquid?

Back

Melting.

Front

What is the term for the change of state from liquid to gas?

Back

Vaporization.

Front

What is the definition of a solution?

Back

A homogeneous mixture of two or more substances.

Front

What is the role of a solute in a solution?

Back

The solute is the substance that is dissolved in the solvent.