Radioactivity

Shelby Decker block 3 4/26/16

ALPHA

Symbol-

Speed- 15,000 km/s

Type of material- sheet of paper

Subatomic- particles if anyl making up the radioactive particle. The alpha particle is an helium atom and contains two neutrons and two protons.

Description of how nucleus is changed- Alpha particles carry a charge of +2. An alpha particle is a fast moving packet containing two protons and two neutrons (a helium nucleus) Produced during alpha decay.

BETA

Symbol-

Speed of particle- 270,000 km/s

Type of material- aluminum

subatomic particles- high energy electrons.

The nucleus changes- A neutron and the nucleus splits to form a proton to accompany an electron.

Gamma

Symbol-

Speed of particle- speed of light

Type of material- a block of lead