Nuclear Chemistry

Front

What is the joining of atomic nuclei called?

Back

Fusion

Front

What do radioactive materials have that are unstable?

Back

Nuclei

Front

In a correctly written symbol, what is located in the 'A' position?

Back

Mass number

Front

What is the half-life of iodine-131?

Back

8 days

Front

What is Half-life?

Back

The amount of time it takes for half the nuclei in a sample of the isotope to decay.

Front

What is nuclear fission?

Back

The process of splitting a heavy nucleus into two lighter nuclei, releasing energy.

Front

What is nuclear fusion?

Back

The process of combining two light atomic nuclei to form a heavier nucleus, releasing energy.

Front

What is a chain reaction in nuclear chemistry?

Back

A series of reactions where the products of one reaction initiate further reactions.

Front

What is radioactive decay?

Back

The process by which an unstable atomic nucleus loses energy by emitting radiation.

Front

What is a radioactive isotope?

Back

An isotope of an element that has an unstable nucleus and undergoes radioactive decay.