Transcript Jeopardy Nuclear Physics

Jeopardy
PHY101
Chapter 11 Review
Study of Nuclear Physics
Cheryl Dellai
Study of Nuclear
Physics
Basics
Particles
Half-Life
Reactions
Controlled
Reactions
Potpourri
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Basics
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What is the atomic mass unit?
ANSWER
Basics
$200
What are the parts of an atom?
ANSWER
Basics
$300
What is a Mass Number?
ANSWER
Basics
$400
What is an isotope?
ANSWER
Particles
$100
Name 3 types of particles
ANSWER
Particles
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When sulfur-35 (Z = 16) decays
to chlorine-35 (Z = 17), a(n)
__________ is emitted.
ANSWER
Particles
$300
Nuclear radiation can be detected
by using a __________.
ANSWER
Particles
$400
Two particles that will be
deflected by a magnetic field are
__________ and __________.
ANSWER
Half-Life
$100
When a nucleus in an excited
state decays to the ground state,
a(n) __________ particle is
emitted.
ANSWER
Half-Life
$200
The time interval during
which a nucleus has a 50%
probability of decaying is its
__________.
ANSWER
Half-Life
$300
The half life of uranium-232
is 70 years. The time for 3/4
of a sample of uranium-232 to
decay is __________.
ANSWER
Half-Life
$400
If a piece of wood is suspected
to be several thousand years
old, its true age can likely be
determined through use of the
isotope _________.
ANSWER
Reactions
$100
The combining of two nuclei
to form a larger nucleus with
the release of energy is
__________.
ANSWER
Reactions
$200
What is fission?
ANSWER
Reactions
$300
What is meant by binding
energy?
ANSWER
Reactions
$400
In a bad accident, a nuclear
reactor could explode like an
atomic bomb. (T/F)
ANSWER
Controlled Reactions
$100
Magnetic confinement is used in
controlled fusion experiments to
control a plasma. (T/F)
ANSWER
Controlled Reactions
$200
In a nuclear reactor, __________
are used to limit the number of
neutrons passing from one fuel
rod to another.
ANSWER
Controlled Reactions
$300
Two areas in which fusion is
the source of energy are
__________ and __________.
ANSWER
Controlled Reactions
$400
The determination of the
composition of a material by
bombarding it with neutrons
and monitoring the emitted
radiation is __________.
ANSWER
Potpourri $100
The Voyager space probes
used electricity provided by
__________.
ANSWER
Potpourri $200
When uranium-238 (Z = 92) is
bombarded with a neutron, it
can change into __________.
ANSWER
Potpourri $300
The mass of an atom of carbon-12 (Z = 6)
is less than the mass of 6 protons and 6
neutrons because of __________.
ANSWER
Potpourri $400
Most stable element.
ANSWER
Basics
$100
Answer
What is the atomic mass unit?
1 amu = 1 u = 1.66*10-27 kg
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Basics
$200
Answer
What are the parts of an atom?
Proton positive charge in the nucleus of an atom.
Atomic # (Z) = # of protons
determine element
Neutron neutral particle in the nucleus of an atom.
Neutron # (N) = # of neutrons
determine isotope
Electron negative charge in the outer shell of an atom.
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Basics
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Answer
What is a Mass Number?
A=Z+N
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Basics
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Answer
What is an isotope?
Isotopes of a given element have the
same number of protons in the nucleus
but different number of neutrons.
A
Z
Element Name
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example
14
C
6
Particles
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Answer
Name 3 types of particles
Alpha particle
Beta particle
Gamma Ray
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


helium-4 nucleus
electron
energy
Particles
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Answer
When sulfur-35 (Z = 16) decays
to chlorine-35 (Z = 17), a beta
particle (electron) is emitted.
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Particles
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Answer
Nuclear radiation can be detected
by using a Geiger counter .
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Particles
$400
Answer
Two particles that will be
deflected by a magnetic field
are alpha and beta particles.
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Half-Life
$100
Answer
When a nucleus in an excited
state decays to the ground
state, a gamma ray is
emitted.
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Half-Life
$200
Answer
The time interval during
which a nucleus has a 50%
probability of decaying is its
half-life.
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Half-Life
$300
Answer
The half life of uranium-232 is 70
years.
The time for 3/4 of a sample of
uranium-232 to decay is 140 years.
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Half-Life
$400
Answer
If a piece of wood is suspected to
be several thousand years old, its
true age can likely be determined
through use of the isotope
carbon-14.
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Reactions
$100
Answer
The combining of two nuclei
to form a larger nucleus with
the release of energy is
nuclear fission.
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Reactions
$200
Answer
What is fission?
The splitting of a large nucleus into
two smaller nuclei.
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Reactions
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Answer
What is meant by binding
energy?
This indicates how tightly bound
together a nucleus is.
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Reactions
$400
Answer
In a bad accident, a nuclear
reactor could explode like an
atomic bomb. (False)
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Controlled Reactions
$100
Answer
Magnetic confinement is used in
controlled fusion experiments to
control a plasma. (True)
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Controlled Reactions
$200
Answer
In a nuclear reactor, control
rods are used to limit the
number of neutrons passing
from one fuel rod to another.
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Controlled Reactions
$300
Answer
Two areas in which fusion is
the source of energy are
stars, hydrogen bombs, & tokamak
reactors
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Controlled Reactions
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Answer
The determination of the composition
of a material by bombarding it with
neutrons and monitoring the emitted
radiation is neutron activation
analysis .
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Potpourri $100
Answer
The Voyager space probes
used electricity provided by
radioisotope thermoelectric
generators .
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Potpourri $200
Answer
When uranium-238 (Z = 92) is
bombarded with a neutron, it
can change into uranium-239.
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Potpourri $300
Answer
The mass of an atom of carbon-12 (Z = 6)
is less than the mass of 6 protons and 6
neutrons because of binding energy.
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Potpourri $400
Answer
Most stable element.
Iron Element 26
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