Nuclear Chemistry

Front

What is the time required for half of a sample of a radioactive substance to undergo nuclear decay called?

Back

Half Life

Front

What type of nuclear reaction involves the combining of light nuclei to form a heavier nucleus?

Back

Fusion

Front

What is the symbol for an alpha particle?

Back

\( \text{ }^{4}_{2}\text{He} \) (Helium nucleus)

Front

What is the symbol for gamma radiation?

Back

Gamma (\( \gamma \))

Front

Which type of radiation is most penetrating?

Back

Gamma radiation

Front

What is the process called when a heavy nucleus splits into two lighter nuclei?

Back

Fission

Front

What type of radiation consists of high-energy electromagnetic waves?

Back

Gamma radiation

Front

What is the charge of an alpha particle?

Back

+2

Front

What is the mass of an alpha particle compared to a beta particle?

Back

An alpha particle is much heavier than a beta particle.

Front

What type of radiation can be stopped by a sheet of paper?

Back

Alpha radiation