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Nuclear Chemistry
Quiz 2
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Q.1
In a nuclear reactor what absorbs fast moving neutrons?
generator
moderator
control rods
sheilding
Q.2
The name for protons and neutrons in nuclear chemistry is____
beta particles
positrons
nucleons
nuclides
Q.3
In a nuclear reactor what slows down neutrons?
Control Rods
Moderator
Sheilding
The brakes
Q.4
Energetic electron from decomposed neutron
positron
radioactivity
alpha particle
gamma radiation
beta particle
Q.5
Spontaneous emission from the nucleus of an atom
positron
radioactivity
alpha particle
gamma radiation
beta particle
Q.6
Emitted helium nucleus
positron
radioactivity
alpha particle
gamma radiation
beta particle
Q.7
High-energy photons emitted by a radioisotope
positron
radioactivity
alpha particle
gamma radiation
beta particle
Q.8
Particle of charge +1 and mass equal to that of an electron
positron
radioactivity
alpha particle
gamma radiation
beta particle
Q.9
Radiation detector that makes use of a gas-filled metal tube
scintillation counter
Geiger counter
neutron moderation
neutron absorption
film badge
Q.10
In ___ _____reactions, small nuclei combine, producing a large nucleus and releasing large amounts of energy.
nuclear fission
nuclear fusion
Q.11
In a(n) ___________, particles released from one nuclear reaction collide with other particles and cause more nuclear reactions.
nuclear fission reaction
nuclear fusion reaction
Q.12
The conversion of an atom of one element to an atom of another element is called ___________.
transmutation
Nuclear transmutation
Both A & B
None of these
Q.13
After one ____________ of a radioactive element, half of the original radioactive material remains.
half-life
cycle
decay
Q.14
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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