When an atom releases energy and/or particles from their nucleus -
Radioactivity is a type of chemical reaction.
Radioactivity is caused by:
Which type of radioactive particle is the most likely to cause disease or death?
What element serves as the alpha particle?
What happens to the atomic number of the decaying uranium nucleus during alpha decay?
What happens to the atomic number of the nucleus of thorium during beta decay?
What causes the atomic number of thorium to change during beta decay?
Does helium undergo a radical change during gamma decay?
What can be used to stop gamma rays?
During fission, the nucleus of the atom will
What is fission used for?
Fusion is caused by
What are the two problems with the idea of using fusion as a source of electricity?
Smoke detectors (home fire alarms) are radioactive.