Q.1
What is the major drawback to fission power?
  • Radioactive Waste
  • CO2 Emissions
  • SO2 Emissions
  • All of the Above
Q.2
The three types of nuclear radiation in order of decreasing penetrating power are
  • alpha, beta, gamma
  • alpha, gamma, beta
  • beta, alpha, gamma
  • gamma, alpha, beta
Q.3
A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.
  • more
  • less
  • identical
  • small
Q.4
_______________ is the process by which unstable atoms emit radiation until they become stable.
  • Radiation
  • Chemical Reaction
  • Radioactive Decay
  • Isotopes
Q.5
Identify the type of nuclear decay shown here21483Bi → 0-+ 21484Po
  • alpha
  • beta
  • gamma
Q.6
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
  • remains the same
  • decreases by one.
  • increases by one.
  • increases by two.
Q.7
A scientist counts radioactivity ascounts per minute. The background count iscounts per minute. Which value should be recorded
  • 12 counts per minute
  • 110 counts per minute
  • 130 counts per minute
  • 1200 counts per minute
Q.8
___________ starts the fission of a uranium atom.
  • Energy
  • Protons
  • One Neutron
  • All of the above
Q.9
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
  • Nuclear Decay
  • Nuclear Fission
  • Nuclear Fusion
  • None of the above
Q.10
After 4 half-lives,of a sample of Krypton-is left. What was the original mass of the sample?
  • 16g
  • 32g
  • 0.0625g
  • 4g
Q.11
Marie Curie used a magnet and a charge (both positive and negative) and failed to affect the direction of which type of radiation?
  • alpha (α) ray
  • beta (β) ray
  • gamma (γ) ray
Q.12
Name the type of radioactive particle that can be stopped by a sheet of paper.
  • alpha
  • beta
  • gamma
  • lambda
Q.13
The half-life of hydrogen-3 is 12.3 years. If I gave you a 2.gram sample of pure hydrogen-3 today, how much would you have in 24.6 years?
  • 2.00 g
  • 1.00 g
  • 0.50 g
  • 0.25 g
Q.14
This type of radiation results from the decay of an atomic neutron to a proton and the emission of a very light particle with a negative charge.
  • alpha (α) ray
  • beta (β) ray
  • gamma (γ) ray
Q.15
Which type(s) of radiation can pass through paper?
  • alpha
  • beta
  • gamma
  • alpha and beta
  • beta and gamma
Q.16
The % of the parent isotope remaining after 2 Half Lives.
  • 50%
  • 25%
  • 12.5%
  • 6.25%
Q.17
The % of the parent isotope remaining after 1 Half Life.
  • 50%
  • 25%
  • 12.5%
  • 6.25%
Q.18
After the second half-life, how much of the sample is left?
  • 1/2
  • 1/3
  • 1/16
  • 1/4
Q.19
After 4 half-lives,of a sample of Krypton-remains unchanged. What was the original mass of the sample?
  • 16g
  • 32g
  • 0.0625g
  • 4g
Q.20
Negatively charged particles emitted from a nucleus at a high speed are ____ .
  • protons
  • neutrons
  • electrons
  • protons and neutrons
0 h : 0 m : 1 s