Q.1.
What is the major drawback to fission power?
Q.2.
The three types of nuclear radiation in order of decreasing penetrating power are
Q.3.
A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.
Q.4.
_______________ is the process by which unstable atoms emit radiation until they become stable.
Q.5.
Identify the type of nuclear decay shown here21483Bi → 0-+ 21484Po
Q.6.
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
Q.7.
A scientist counts radioactivity ascounts per minute. The background count iscounts per minute. Which value should be recorded
Q.8.
___________ starts the fission of a uranium atom.
Q.9.
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
Q.10.
After 4 half-lives,of a sample of Krypton-is left. What was the original mass of the sample?
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?
Q.12.
Name the type of radioactive particle that can be stopped by a sheet of paper.
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?
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.
Q.15.
Which type(s) of radiation can pass through paper?
Q.16.
The % of the parent isotope remaining after 2 Half Lives.
Q.17.
The % of the parent isotope remaining after 1 Half Life.
Q.18.
After the second half-life, how much of the sample is left?
Q.19.
After 4 half-lives,of a sample of Krypton-remains unchanged. What was the original mass of the sample?
Q.20.
Negatively charged particles emitted from a nucleus at a high speed are ____ .