Nuclear Reactions

Front

When nuclei decay, massive amounts of __________ is released.

Back

energy

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NGSS.HS-PS1-8

Front

What makes something radioactive?

Back

an unstable nucleus

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NGSS.HS-PS1-8

Front

A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.

Back

less

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NGSS.HS-PS1-8

Front

Atoms of the same element that have different numbers of neutrons and different mass numbers:

Back

isotopes

Front

Takes two small nuclei and combines them into a larger nucleus

Back

fusion

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NGSS.HS-PS1-8

Front

What is nuclear fission?

Back

The process of splitting a large nucleus into smaller nuclei, releasing energy.

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NGSS.HS-PS1-8

Front

What is a half-life?

Back

The time required for half of the radioactive atoms in a sample to decay.

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Front

What are gamma rays?

Back

High-energy electromagnetic radiation emitted during radioactive decay.

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NGSS.HS-PS4-3

Front

What is a nuclide?

Back

A specific isotope of an element, characterized by its number of protons and neutrons.

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NGSS.HS-PS1-8

Front

What is the difference between isotopes and ions?

Back

Isotopes have the same number of protons but different numbers of neutrons; ions have unequal numbers of protons and electrons.

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NGSS.HS-PS1-8