Nuclear Chemistry Radioisotopes Stability & Transmutation

An isotope that has an unstable nucleus is called a(n):

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NGSS.HS-PS1-8

The three types of nuclear radiation are _______ radiation, _________radiation, and _____________ radiation.

• alpha, beta, and gamma

• theta, beta, and kappa

• alpha, beta, positron

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NGSS.HS-PS1-8

After one ____________ of a radioactive element, half of the original radioactive material remains.

• half-life

• cycle

• decay

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NGSS.HS-PS1-8

The conversion of an atom of one element to an atom of another element is called ___________.

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NGSS.HS-PS1-8

In a(n) ___________, particles released from one nuclear reaction collide with other particles and cause more nuclear reactions.

• nuclear fission reaction

• nuclear fusion reaction

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NGSS.HS-PS1-8

In ___ _____reactions, small nuclei combine, producing a large nucleus and releasing large amounts of energy.

• nuclear fission

• nuclear fusion

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Radioisotopes are used to both ___________ and ________ medical problems.

spontaneous emission from the nucleus of an atom

• positron

• radioactivity

• alpha particle

• gamma radiation

• beta particle

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NGSS.HS-PS1-8

emitted helium nucleus

• positron

• radioactivity

• alpha particle

• gamma radiation

• beta particle

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NGSS.HS-PS1-8

energetic electron from decomposed neutron

• positron

• radioactivity

• alpha particle

• gamma radiation

• beta particle

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NGSS.HS-PS1-8