Atomic Theory and Periodic Table Vocab

Front

The Bohr model is a theory that the electrons ___________.

Back

orbit the nucleus in fixed paths.

Front

An atomic model is:

Back

A representation of the structure of an atom.

Front

What are the smaller particles that make up the atom?

Back

Subatomic particles.

Front

What is a neutral charge?

Back

A charge with equal numbers of protons and electrons.

Front

What is a positive charge?

Back

more protons than electrons.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged 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.

Front

What is the mass number?

Back

The total number of protons and neutrons in an atom's nucleus.