Chemistry

Nuclear Chemistry

Reaction of the Nucleus of the atom

Roentgen

Discovered X-rays

Becquerel

Discovered radiation through exposed films

The Curies

Discovered radioactivity (Coined the term Radioactive)

Rutherford

Discovered Alpha and Beta Particles (emitted through Uranium)

Villard

Discovered Gamma Rays

Atomic Number

Number of Protons or Electrons

Mass Number

Sum of Protons and Neutrons

Isotope

Different Mass number, same elements

Nuecleons

Protons and Neutrons

Strong Nuclear Force

Force that attracts and holds the Nucleus together