Atomic Theory and Periodic Table Vocab

Front

What are the smaller particles that make up the atom?

Back

Subatomic particles

Front

An element is a substance that:

Back

Consists of only one type of atom

Front

What is a neutral charge?

Back

A charge with equal numbers of protons and electrons

Front

What is an element symbol?

Back

One or two letters that represent the name of an element

Front

An energy level in an atom is:

Back

A specific region where electrons can exist around the nucleus

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element.