Physics-Radioactivity

• Protons and Neutrons in the Nucleus,surrounded by negatively charged electrons.

Proton

MASS:1

CHARGE:+1

Neutron

MASS:1

CHARGE:0

Electron

MASS:0.0005

CHARGE:-1

• An atom is ionised if it loses an electron.

If an outer electron absorbs radiation with energy it can leave the atom.
This makes the atom positive because there more protons than electrons.

• Sun to Earth

Is a…