Unit V 1 ocabulary Practice

Front

Atom

Back

The smallest unit of an element that keeps the element’s properties

Front

Molecule

Back

Two or more atoms joined together chemically

Front

Element

Back

A pure substance made of only one kind of atom

Front

Compound

Back

A substance made of two or more different elements that are chemically bonded

Front

Pure Substance

Back

A material made of only one kind of particle (atom or molecule)

Front

Mixture

Back

A combination of two or more substances that are not chemically bonded

Front

Physical Property

Back

A feature of a substance that can be seen or measured without changing it (e.g., color, size)

Front

Chemical Property

Back

A trait that describes how a substance can change into a new one (e.g., reacts with acid)

Front

Crystalline Structure

Back

A repeating pattern of atoms or molecules in a solid

Front

Density

Back

The amount of mass in a given volume (Mass ÷ Volume)