Radiation

Front

What are alpha particles?

Back

Alpha particles are positively charged particles consisting of two protons and two neutrons.

Front

What do radioactive materials have that is unstable?

Back

Radioactive materials have unstable nuclei.

Front

What type of nuclear radiation is emitted during beta decay?

Back

Beta radiation is emitted during beta decay.

Front

Identify the missing substance in the nuclear reaction: _____→137_56 Ba + 0_−1 B.

Back

The missing substance is 137_55 Cs.

Front

What happens to element 50_24 X during alpha decay?

Back

It transforms into element 46_22 Y.

Front

What is the charge of beta particles?

Back

Beta particles are negatively charged.

Front

What is gamma radiation?

Back

Gamma radiation is a form of electromagnetic radiation emitted from the nucleus of an atom.

Front

How does alpha radiation affect the atomic number of an element?

Back

Alpha radiation decreases the atomic number by 2.

Front

What is the primary characteristic of radioactive decay?

Back

Radioactive decay is a random process by which unstable nuclei lose energy by emitting radiation.

Front

What is the difference between alpha, beta, and gamma radiation?

Back

Alpha radiation consists of helium nuclei, beta radiation consists of electrons or positrons, and gamma radiation consists of high-energy photons.