Radiation Particles - Gamma Focused

Front

What are the three types of radioactive decay from least harmful to most harmful?

Back

Alpha, Beta, Gamma

Front

What particle is released during beta decay?

Back

An electron

Front

What are gamma rays?

Back

Electromagnetic waves moving at the speed of light.

Front

Which type of radiation has the highest penetrating power?

Back

Gamma radiation can penetrate our body and is not stopped by several cm of lead or several meters of concrete.

Front

What is the half-life of a nucleus?

Back

The time it takes for half of the radioactive nuclei in a sample to decay.

Front

What is an alpha particle?

Back

A type of radiation consisting of 2 protons and 2 neutrons, equivalent to a helium nucleus.

Front

What is beta decay?

Back

A type of radioactive decay in which an electron is emitted from a nucleus.

Front

How does gamma radiation differ from alpha and beta radiation?

Back

Gamma radiation is a form of electromagnetic radiation, while alpha and beta are particles.

Front

What materials can block alpha particles?

Back

Alpha particles can be stopped by a sheet of paper or human skin.

Front

What materials can block beta particles?

Back

Beta particles can be stopped by a few millimeters of plastic or glass.