P.S.7 Radioactivity

Front

What is the process of splitting an atomic nucleus into two smaller parts called?

Back

Fission

Front

What type of ray is emitted by an unstable nucleus and is highly penetrating?

Back

Gamma Ray

Front

What term describes nuclear radiation that occurs naturally in the environment?

Back

Background Radiation

Front

What is the term for neutrons released during the splitting of an initial nucleus that trigger a series of nuclear fissions?

Back

Chain Reaction

Front

What is the process called when the nuclei of two atoms combine to form a larger nucleus?

Back

Fusion

Front

What is the force that holds protons and neutrons together in an atomic nucleus?

Back

Strong Nuclear Force

Front

What is a radioactive isotope that can be used in medical imaging?

Back

Radioisotope

Front

What is the minimum amount of fissile material needed to maintain a nuclear chain reaction?

Back

Critical Mass

Front

What type of particle is an alpha particle?

Back

A helium nucleus consisting of 2 protons and 2 neutrons.

Front

What is the difference between fission and fusion?

Back

Fission is the splitting of a nucleus, while fusion is the combining of nuclei.