Atom

A tiny particle that is the fundamental building blocks of ALL substances & whose properties determine the properties of an element made up only of those atoms.

Atomic Mass

The measure of the mass of an atom, generally the sum of the protons and neutrons; this term is
used when referring to a single atom or atoms of a single isotope

Atomic Nucleus

The positively charged core of an atom, which is composed of positively charged protons and
electrically neutral neutrons

Atomic Number

The number of protons in every atom of an element

Electron

A tiny part of an atom with a negative electrical charge

Isotope

Atoms of the same element that differ in the number of neutrons in the nucleus

Neutron

A neutral particle with approximately the same mass as a proton, found in nuclei of atoms along with
protons

Proton

A positively charged particle found in the nuclei of atoms

Element

A pure form of matter that can not be broken down into simpler substance

Spontaneous

Happens by itself & releases energy.

Frequency

The rate per second of a vibration of a wave. Radio Waves vibrate at a certain frequency.