Changes of Matter Vocabulary Flashcards

Front

the basic unit of matter

Back

atom

Front

two or more atoms joined by chemical bonds

Back

molecule

Front

substance that consists of just one type of particle and is the same throughout

Back

pure substance

Front

mixture made of substances so evenly mixed that it is difficult or impossible to see the individual substances

Back

homogeneous mixture

Front

mixture made of parts that are easily identified and can be separated

Back

heterogeneous mixture

Front

substance that contains only one type of atom and cannot be broken down into a simpler form

Back

element

Front

a change in matter that produces one or more new substances

Back

chemical change

Front

the kinetic energy of the particles in a substance

Back

thermal energy

Front

A solid sometimes formed when two liquids are combined.

Back

precipitate