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WorksheetsRadioisotopes
Total questions: 67
Worksheet time: 34mins
Name
Class
Date
1.
Any material that stops ionizing radiation.
a)
Absorber
b)
Atom
c)
Alphaparticle
d)
Curie
2.
A positively charged particle (a Helium-4 nucleus) made up of two neutrons and two protons.
a)
Absorber
b)
Alpha particle
c)
Background Radiation
d)
Beta Particle
3.
A particle of matter indivisible by chemical meanas. It is the fundamental building block of elements.
a)
Atomic Number
b)
Atomic Weight
c)
Molecule
d)
Atom
4.
The number assigned to each element on the basis of the number of protons found in the element's nucleus.
a)
Alpha Particle
b)
Atomic Weight
c)
Atomic Number
d)
Alpha Number
5.
Approximately the sum of the number of protons and neutrons found in the nucleus of an atom.
a)
Atomic Weight (Atomic Mass)
b)
Background Radiation
c)
Atomic Number
d)
Alpha Mass
6.
The radiation of man's natural environment originating primarily from the naturally radioactive elements of theearth and from the cosmic rays. The term may also mean radiation extraneous to an experiment.
a)
Cow
b)
Curie
c)
Background Radiation
d)
Curie Radiation
7.
An electron of either positive charge or negative charge, which has been emitted by an atomic nucleus or neutron in the process of a transformation.
a)
Curie Particles
b)
Beta Particles
c)
Alpha Particles
d)
Daughter Particle
8.
Radiocative materical deposited or dispersed in materials or places where it is not wanted.
a)
COW
b)
Curie
c)
Daughter
d)
Contamination
9.
A radioisotope generator system.
a)
Dose
b)
Decay
c)
Cow
d)
Curie
10.
The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals thirty-seven billion disintegrations per second, or approximately the radioactivity of one gram of radium.
a)
Curie
b)
Density
c)
Dose
d)
Alpha Dose
11.
A nucleus formed by the radioactive decay of a different (parent) nuclide.
a)
Son
b)
Father Particle
c)
Daughter
d)
Mother Particle
12.
The change of one radioactive nuclide into a different nuclide by the spontaneous emission of alpha, beta, or gamma rays, or by electron capture. The end product is a less energetic, more stable nucleus.
a)
Density
b)
Decay
c)
Electromagnetism
d)
Strong Force
13.
The removal of radioactive contaminants by cleaning and washing with chemicals.
a)
Decontamination
b)
Noncontamination
c)
Recontamination
d)
Uncontamination
14.
That property of a substance which is expressed by the ratio of its mass to its volume.
a)
Dose
b)
Decay
c)
Son
d)
Density
15.
A general term denoting the quantity of radiation or energy absorbed in a specific mass.
a)
Curie
b)
Cow
c)
Density
16.
Radiation consisting of electric and magnetic waves that travel at the speed of light. Examples: light, radio waves, gamma rays, x-rays.
a)
Electromagnetic Radiation
b)
Electric Radiation
c)
Strong Force
d)
Weak Force
17.
A radioactive decay process in which an orbital electron is captured by and merges with the nucleus. The mass number is unchanged, but the atomic number is decreased by one.
a)
Electron Capture
b)
Electron Release
c)
Electron Contained
d)
Electron Catch
18.
Washing solution (The solution that is introduced into the cow).
a)
Eluant
b)
Eluate
c)
Elute
19.
The washings obtained by elution (the solution that comes out of the cow).
a)
Eluant
b)
Eluate
c)
Elute
20.
To separate by washing (to milk).
a)
Eluant
b)
Eluate
c)
Elute
21.
The state of an atom or nucleus when it possesses more than its normal energy. The excess energy is usually released eventually as a gamma ray.
a)
Super State
b)
Exilerated State
c)
Excited State
22.
The splitting of a heavy nucleus into two roughly equal parts (which are nuclei of lighter elements), accompanied by the release of a relatively large amount of energy in the form of kinetic energy of the two parts and in the form of emission of neutrons and gamma rays.
a)
Fision
b)
Fusion
c)
Fission
d)
Fisson
23.
Nuclei formed by the fission of heavy elements. They are of medium atomic weight and almost all are radioactive. Examples: strontium-90, cesium-137.
a)
Fision Product
b)
Fission Product
c)
Fussion Product
d)
Fusion Product
24.
A highly penetrating type of nuclear radiation, similar to x-radiation, except that it comes from within the nucleus of an atom, and, in general, has a shorter wavelength.
a)
Gamma Wave
b)
Gamma Ray
c)
Health Physics
d)
Alpha Ray
25.
A Geiger-Müller detector and measuring instrument. It contains a gas-filled tube which discharges electrically when ionizing radiation passes through it and a device that records the events.
a)
Half-Life
b)
Geiger counter
c)
Geiger Generator
26.
A cow-a system containing a parent-daughter set of radioisotopes in which the parent decays through a daughter to a stable isotope. The daughter is a different element from that of the parent, and, hence, can be separated from the parent by elution (milking).
a)
Generator
b)
Geiger
c)
Counter
27.
The time in which half the atoms of a particular radioactive nuclide disintegrate. The half-life is a characteristic property of each radioactive isotope.
a)
Half-life
b)
Ion
c)
Irradiate
d)
Radioisotope
28.
That science devoted to recognition, evaluation, and control of all health hazards from ionizing radiation.
a)
Life Physics
b)
Ion Physics
c)
Health Physics
29.
Radioactivity that is created by bombarding a substance with neutrons in a reactor or with charged particles produced by particle accelerators.
a)
Ionized Radioactivity
b)
Induced Radioactivity
c)
Reduced Radioactivity
30.
An atomic particle that is electrically charged, either negative or positive.
a)
Neutron
b)
Ion
31.
Radiation that is capable of producing ions either directly or indirectly.
a)
Ionizing Radiation
b)
Induced Radiation
c)
Irradiate Radiation
32.
To expose to some form of radiation.
a)
Ionize
b)
Irradiate
c)
Isomer
33.
One of several nuclides with the same number of neutrons and protons capable of existing for a measurable time in different nuclear energy states.
a)
Irradiate
b)
Isotope
c)
Isomer
34.
A mode of radioactive decay where a nucleus goes from a higher to a lower energy state. The mass number and the atomic number are unchanged.
a)
Ionized Transition
b)
Isotope Transition
c)
Isometric Transition
35.
A given element that have the same atomic number (same number of protons in their nuclei) but different atomic weights (different number of neutrons in their nuclei). Uranium-238 and uranium-235 are isotopes of uranium.
a)
Ions
b)
Isotopes
c)
Curie
36.
The capture by an atom's nucleus of an orbital electron from the first K-shell surrounding the nucleus.
a)
Isotope Capture
b)
Electron Capture
c)
K-capture
37.
One thousand electron volts.
a)
keV
b)
MeV
c)
IoV
38.
One million electron volts.
a)
keV
b)
MeV
c)
IoV
39.
One millionth of a curie (3.7 x 104 disintegrations per second).
a)
Microcurie
b)
Millicurie
c)
Minicurie
40.
To elute a cow.
a)
Milk
b)
Elute
c)
Alute
41.
A trademark of Union Carbide Corporation that is used to identify radioisotope generator systems for educational use.
a)
Milligenerator
b)
Microgenerator
c)
Minigenerator
42.
An electrically neutral particle with negligible mass. It is produced in many nuclear reactions such as in beta decay.
a)
Neutron
b)
Nucleon
c)
Neutrino
43.
One of the basic particles which make up an atom. A neutron and a proton have about the same weight, but the neutron has no electrical charge.
a)
Neutron
b)
Electron
c)
Proton
44.
A device in which a fission chain reaction can be initiated, maintained, and controlled. Its essential components are fissionable fuel, moderator, shielding, control rods, and coolant.
a)
Alpha Reactor
b)
Nuclear Reactor
c)
Beta Reactor
45.
A constituent of the nucleus; that is, a proton or a neutron.
a)
Proton
b)
Nucleon
c)
Electron
46.
The science, technology, and application of nuclear energy.
a)
Nucleonics
b)
Proteonics
c)
Electonics
47.
The core of the atom, where most of its mass and all of its positive charge is concentrated. Except for hydrogen, it consists of protons and neutrons.
a)
Nucleus
b)
Electron Cloud
48.
Any species of atom that exists for a measurable length of time. A nuclide can be distinguished by its atomic weight, atomic number, and energy state.
a)
Electride
b)
Protide
c)
Nuclide
49.
A radionuclide that decays to another nuclide which may be either radioactive or stable.
a)
Son
b)
Parent
c)
Daughter
50.
A quantity of electromagnetic energy. Photons have momentum but no mass or electrical charge.
a)
Photon
b)
Photton
c)
Potion
51.
One of the basic particles which makes up an atom. The proton is found in the nucleus and has a positive electrical charge equivalent to the negative charge of an electron and a mass similar to that of a neutron: a hydrogen nucleus.
a)
Neutron
b)
Electron
c)
Proton
52.
Radiation Absorbed Dose. The basic unit of an absorbed dose of ionizing radiation. One rad is equal to the absorption of 100 ergs of radiation energy per gram of matter.
a)
Rad
b)
Fad
c)
Nad
53.
A technique for estimating the age of an object by measuring the amounts of various radioisotopes in it.
a)
Radioisotope Dating
b)
Carbon Dating
c)
Radioactive Dating
54.
Materials which are radioactive and for which there is no further use.
a)
Radioisotope Waste
b)
Radioactive Dating
c)
Nuclear Dating
55.
The spontaneous decay of disintegration of an unstable atomic nucleus accompanied by the emission of radiation.
a)
Nuclearactivity
b)
Radioactivity
56.
A radioactive isotope. A common term for a radionuclide.
a)
Radisotope
b)
Radioisotope
c)
Radiosotop
57.
A radioactive nuclide. An unstable isotope of an element that decays or disintegrates spontaneously, emitting radiation.
a)
Radionuclide
b)
Nuclide
c)
Nuclearide
58.
An electronic instrument that indicates, on a meter, the number of radiation induced pulses per minute from radiation detectors such as a Geiger-Muller tube.
a)
Radio Meter
b)
Rate Meter
c)
Shield Meter
59.
An electronic instrument for counting radiation induced pulses from radiation detectors such as a Geiger-Muller tube.
a)
Scaler
b)
Shielder
c)
Rater
60.
An instrument that detects and measures gamma radiation by counting the light flashes (scintillations) induced by the radiation.
a)
Secular equilibrium
b)
Shielding
c)
Scintillation counter
d)
Counter
61.
A state of parent-daughter equilibrium which is achieved when the half-life of the parent is much longer than the half-life of the daughter. In this case, if the two are not separated, the daughter will eventually be decaying at the same rate at which it is being produced. At this point, both parent and daughter will decay at the same rate until the parent is essentially exhausted.
a)
Scintillation counter
b)
Secular equilibrium
c)
Nuclear Decay
62.
A protective barrier, usually a dense material, which reduces the passage of radiation from radioactive materials to the surroundings.
a)
Shielding
b)
Source
c)
Stable
d)
Spill
63.
A radioactive material that produces radiation for experimental or industrial use.
a)
Source
b)
Spill
c)
Scaler
d)
Shielding
64.
The accidental release of radioactive materials.
a)
Spill
b)
Stable
c)
Source
65.
Non-radioactive.
a)
Stable
b)
Spill
c)
Source
66.
A small amount of radioactive isotope introduced into a system in order to follow the behavior of some component of that system.
a)
Tracer
b)
Transmutation
c)
Stable
67.
The transformation of one element into another by a nuclear reaction.
a)
Transmutation
b)
Stable
c)
Source
d)
Spill
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