Front

What is nuclear fission?

Back

A nuclear reaction where a nucleus splits into two smaller nuclei, releasing energy.

Front

What is the symbol for an alpha particle?

Back

The symbol for an alpha particle is \( \text{ } ^4_2\text{He} \text{ } \).

Front

What type of nuclear reaction powers the stars and the Sun?

Back

Nuclear fusion.

Front

What is a helium nucleus also known as?

Back

An alpha particle.

Front

What is a beta particle?

Back

An electron emitted from the nucleus during radioactive decay.

Front

What is nuclear fusion?

Back

A nuclear reaction where two light nuclei combine to form a heavier nucleus, releasing energy.

Front

What is gamma decay?

Back

A type of radioactive decay where an unstable nucleus releases energy in the form of gamma rays.

Front

What is a positron?

Back

A positron is the antimatter counterpart of an electron, with the same mass but a positive charge.

Front

What is the difference between fission and fusion?

Back

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

Front

What is the role of neutrons in nuclear reactions?

Back

Neutrons can initiate fission reactions and are also produced during fission.