Vocabulary Review

A combination of substances that can be physically separated from one another

• mixtures

• compound

• element

• molecule

a substance in which the parts are clearly different shapes and colors; different throughout

• mixture

• homogeneous

• heterogeneous

• element

a substance in which all of the parts are the same throughout

• homogeneous

• element

• heterogeneous

• pure substance

A substance that can be dissolved by a solvent to create a solution.

• solvent

• solute

• solution

• mixture

A substance that can dissolve a solute when forming a solution.

• solute

• solution

• solvent

• mixture

What do we call the chemicals that result from a chemical reaction?

• reactants

• products

• subscripts

• coefficients

The Law of Conservation of Mass says that matter can neither be __________ or __________.

• created; destroyed

• recycled; renewed

• subtracted; added

• joined; separated

Substances present at the start of a chemical reaction

• subscripts
• coefficients
• reactants
• products

What is a pure substance

• Anything that has mass and takes up space

• A molecules found in mixtures

• A solid

• A substance made of only one kind of matter and having definite properties

Matter is anything that has mass and takes up space

• True

• False