Nuclear Physics

All matter is composed of quarks and leptons.

• True
• False

Carbon-12 is used to date objects.

• True
• False

An atom of carbon-14 isotope has more protons than an atom of carbon-12 isotope.

• True
• False

Nuclear fusion can release large amounts of energy.

• True
• False

Artificially produced radioactive isotopes are used in medicine and medical research.

• True
• False

Beta radiation requires _____ to be stopped.

• paper
• glass
• aluminum
• lead

Radioactivity is a natural process.

• True
• False

The neutrons within the nucleus of an atom have what charge?

• negative
• same as an electron
• same as a proton
• no charge

The atomic number of an atom is determined by its

• number of electrons.
• number of protons.
• number of neutrons.
• sum of protons and neutrons.

Alpha radiation requires _____ to be stopped.

• paper
• glass
• aluminum
• lead