Basic Concepts of Matter

Front

Matter

Back

Anything that has mass and takes up space

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Atom

Back

Building block of matter; the smallest piece of an element that still represents that element.

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Element

Back

A pure substance made of only one kind of atom

Front

Atomic number

Back

The number of protons in the nucleus of an atom

Front

Mass number

Back

Number of protons and neutrons

Front

Ion

Back

A charged atom

Front

Periodic table

Back

An arrangement of elements that are separated into groups based on sets of repeating properties

Front

Periodic

Back

Repeating pattern

Front

Group

Back

A vertical column on the periodic table

Front

Period

Back

A horizontal row of elements in the periodic table