The term used to classify a proton, neutron, and electron.

The number of protons in an element

This element Potassium is abbreviated as this symbol on the periodic table.

A positively charged subatomic particle.

The number of protons and neutrons

This element Antimony is abbreviated as this symbol on the periodic table.

A subatomic particle with no charge

The number of protons minus the number of electrons

Atoms of the same element that have different numbers of neutrons.

A negatively charged subatomic particle

The abbreviation of an elements

The number of electrons in an atom are greater or less than the number of protons.

The distance from the nucleus to one of the outside of the electron shell.

The symbol of e- represents which part of the atom

This states that the position and momentum of an electron cannot be accurately measured at the same time.