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- Fill in the BlankPlease save your changes before editing any questions.
An isotope that has an unstable nucleus is called a(n):
- Multiple ChoicePlease save your changes before editing any questions.
The three types of nuclear radiation are _______ radiation, _________radiation, and _____________ radiation.
alpha, beta, and gamma
theta, beta, and kappa
alpha, beta, positron
- Multiple ChoicePlease save your changes before editing any questions.
After one ____________ of a radioactive element, half of the original radioactive material remains.
half-life
cycle
decay
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The conversion of an atom of one element to an atom of another element is called ___________.
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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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In ___ _____reactions, small nuclei combine, producing a large nucleus and releasing large amounts of energy.
nuclear fission
nuclear fusion
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Radioisotopes are used to both ___________ and ________ medical problems.
- Multiple ChoicePlease save your changes before editing any questions.
spontaneous emission from the nucleus of an atom
positron
radioactivity
alpha particle
gamma radiation
beta particle
- Multiple ChoicePlease save your changes before editing any questions.
emitted helium nucleus
positron
radioactivity
alpha particle
gamma radiation
beta particle
- Multiple ChoicePlease save your changes before editing any questions.
energetic electron from decomposed neutron
positron
radioactivity
alpha particle
gamma radiation
beta particle
- Multiple ChoicePlease save your changes before editing any questions.
high-energy photons emitted by a radioisotope
positron
radioactivity
alpha particle
gamma radiation
beta particle
- Multiple ChoicePlease save your changes before editing any questions.
particle of charge +1 and mass equal to that of an electron
positron
radioactivity
alpha particle
gamma radiation
beta particle
- Multiple ChoicePlease save your changes before editing any questions.
radiation detector that makes use of a gas-filled metal tube
scintillation counter
Geiger counter
neutron moderation
neutron absorption
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