Nuclear Chemistry Recovery/Review

Front

What is nuclear fission?

Back

Nuclear fission is the process in which a heavy nucleus splits into two smaller nuclei, releasing a large amount of energy.

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Front

What is nuclear fusion?

Back

Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

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Front

What happens to the nucleus during fission?

Back

The nucleus becomes smaller as it splits into two smaller nuclei.

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Front

What happens to the nucleus during fusion?

Back

The nucleus becomes larger as two smaller nuclei combine to form a heavier nucleus.

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Front

What is radioactive decay?

Back

Radioactive decay is the spontaneous breakdown of an unstable atomic nucleus into smaller particles, releasing radiation.

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Front

What is a half-life?

Back

A half-life is the time required for half of the radioactive atoms in a sample to decay.

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Front

How do you calculate the half-life if 100g decays to 12.5g in 60 days?

Back

The half-life is 20 days.

Front

What type of radiation is emitted during alpha decay?

Back

Alpha radiation consists of alpha particles, which are made up of 2 protons and 2 neutrons.

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Front

What is the difference between fission and fusion?

Back

Fission involves splitting a nucleus, while fusion involves combining two nuclei.

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Front

What is an example of a fusion reaction?

Back

An example of a fusion reaction is the process that powers the sun, where hydrogen nuclei combine to form helium.

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