Reference no: EM131511334
Assignment
1. Which of the following is not a nucleon?
A. Proton
B. Neutron
C. Electron
D. None of the above
2. Who discovered radioactivity?
A. Marie Curie
B. Pierre Curie
C. Henri Becquerel
D. Einstein
3. What is the spontaneous disintegration in which particles and/or electromagnetic radiation are emitted?
A. radioactivity
B. nuclear energy
C. fission
D. fusion
4. What is the length of time it takes for half of the atoms in a given radioactive sample to decay?
A. half-life
B. radioactivity
C. radioactive decay
D. half-decay
5. What are some uses of nuclear reactions?
A. Carbon dating
B. Power plants
C. Smoke detectors
D. All of the above
6. What is the daughter isotope formed when 24796Cm undergoes alpha decay?
A. 24394Pu
B. 42He
C. 24He
D. 24398Cf
7. In a nuclear fission reaction, a large radioactive nucleus is split into two smaller nuclei. The mass of the reactants does not equal the mass of the products. This mass difference is the mass that is converted into energy.
A. true
B. false
8. The beta emission process results in the daughter nucleus differing in what manner from the parent?
A. atomic mass increases by one
B. atomic mass decreases by two
C. atomic number increases by one
D. atomic number decreases by two.
9. What was the reactant that underwent beta decay if 9944Ru is the product?
A. 9945Rh
B. 9943Tc
C. 0-1e
D. None of the above
10. What is the change in the identity of a nucleus because of a difference in proton number?
A. Nuclide
B. Transmutation
C. Beta decay
D. Neutron emission
11. Energy generated by a nuclear power plant comes from which type of reaction?
A. fusion
B. fission
C. radioactivity
D. burning coal
12. In nuclear ___________________, the nuclei of atoms are split into smaller, atomic particles.
A. reaction
B. transmutation
C.fission
D. fusion
13. Where would nuclear fusion most likely be seen?
A. Nuclear Reactor
B. Hybrid Car
C. Very low temperatures
D. Stars and our Sun
14. One of the drawbacks to nuclear fusion is that the reaction is hard to control in a contained space.
A. true
B. false
15. The process by which two or more atomic nuclei join together to form a single heavier nucleus is called ________?
A. nuclear fusion
B. nuclear fission
C. radioactivity
D. nuclear transmutation.