Nuclear Chemistry

Front

What are radioactive materials characterized by?

Back

Radioactive materials have unstable nuclei.

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NGSS.HS-PS1-8

Front

Which type of radiation has the lowest penetrating power?

Back

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

Front

What is half-life in nuclear chemistry?

Back

Half-life is the amount of time it takes for half the nuclei in a sample of the isotope to decay.

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Front

What is the function of turbines in a nuclear power plant?

Back

Turbines spin turbine blades and produce electricity.

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Front

What is a beta particle also known as?

Back

A beta particle is also called an electron.

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Front

What is nuclear fission?

Back

Nuclear fission is the process of splitting a heavy nucleus into smaller nuclei, releasing energy.

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Front

What is nuclear fusion?

Back

Nuclear fusion is the process of combining light nuclei to form a heavier nucleus, releasing energy.

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NGSS.HS-PS1-8

Front

What is the role of a moderator in a nuclear reactor?

Back

A moderator slows down neutrons to sustain the nuclear chain reaction.

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Front

What is the difference between alpha, beta, and gamma radiation?

Back

Alpha radiation consists of helium nuclei, beta radiation consists of electrons, and gamma radiation consists of high-energy photons.

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NGSS.HS-PS1-8

Front

What is a Geiger counter used for?

Back

A Geiger counter is used to detect and measure ionizing radiation.