Atomic Structure Flash Cards

Front

An atom

Back

The smallest particle of an element that has that element’s properties.

Front

Nucleus

Back

The small, positively charged center of the atom.

Front

Protons

Back

Particles with an electric charge of 1+.

The number of protons in the nucleus is unique for each element.

Front

Neutrons

Back

Electrically neutral particles in the nucleus.

They do not have a charge.

Front

Electrons are

Back

Particles with an electric charge of -1.

They occupy the space surrounding the nucleus of an atom.

Front

Quarks

Back

Smaller particles that make up protons and neutrons.

Front

Electron Cloud

Back

area around the nucleus of an atom where the atom's electrons are most likely to be found

Front

Energy Level

Back

The discrete amount of energy allowed for electrons in an atom.

Front

Emission Spectrum

Back

A plot of the intensity of radiation emitted from an object over a range of frequencies.