Radioactive

What type of decay is shown

• Alpha

• Beta

• Gamma

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

• Alpha

• Beta

• Gamma

The process of nuclear change in an atom of radioactive material is called...

• nuclear decay

• isotopes

Radioactive materials have unstable

• nuclei

• electrons

• neutrons

Gamma rays have

• No mass

• a huge mass

• a small mass