Nuclear Chemistry

Front

What is a Geiger counter?

Back

A radiation detector that makes use of a gas-filled metal tube to measure ionizing radiation.

Front

What type of radiation has the lowest penetrating power?

Back

Alpha radiation, which can only penetrate 0.05 mm into the body and can be stopped by the skin.

Front

What is Half-life?

Back

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

Tags

NGSS.HS-PS1-8

Front

What is an alpha particle?

Back

An emitted helium nucleus.

Tags

NGSS.HS-PS1-8

Front

What is a benefit of nuclear fission?

Back

The ability to release tremendous amounts of energy.

Tags

NGSS.HS-PS1-8

Front

What is beta radiation?

Back

A type of radiation that consists of high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei.

Tags

NGSS.HS-PS1-8

Front

What is gamma radiation?

Back

A form of electromagnetic radiation of high energy and short wavelength, emitted from radioactive decay.

Tags

NGSS.HS-PS1-8

NGSS.HS-PS4-3

Front

What is neutron moderation?

Back

The process of slowing down fast neutrons in a nuclear reactor to increase the likelihood of fission.

Tags

NGSS.HS-PS1-8

Front

What is neutron absorption?

Back

The process by which a nucleus captures a neutron, which can lead to the formation of a heavier isotope.

Tags

NGSS.HS-PS1-8

Front

What is radioactivity?

Back

The process by which unstable atomic nuclei lose energy by emitting radiation.

Tags

NGSS.HS-PS1-8