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Radioactive Elements Review
Test Description: Review for radioactive elements
Instructions: Answer all questions to get your test result.
1) Which process is used by nuclear power plants to produce low cost, long lasting energy?
A
nuclear fusion
B
nuclear detonation
C
nuclear fission
D
neutron combination
2) The process of joining two atoms' nuclei and releasing an enormous amount of energy is called---
A
nuclear meltdown
B
nuclear fusion
C
nuclear fission
D
nuclear isotope
3) One similarity between nuclear fission and nuclear fusion is that both processes___
A
destroy energy to create matter
B
produce highly radioactive materials
C
change atoms into other elements
D
split the nuclei of atoms
4) Inside the sun, helium nuclei are created from----
A
oxygen nuclei
B
beryllium nuclei
C
carbon nuclei
D
hydrogen nuclei
5) All the following are advantages of using nuclear power EXCEPT--
A
They produce no air pollution.
B
They are less expensive to build and operate than coal-burning power plants.
C
They produce more energy per gram of fuel.
D
They do not contribute to global warming.
6) Where did the world's worst nuclear power plant disaster occur?
A
Chernobyl
B
Beijing
C
Three Mile Island
D
St. Petersburg
7) What type of radioactive decay is the least dangerous?
A
beta
B
alpha
C
gamma
8) Thick lead will block what type of decay?
A
all of the above
B
alpha
C
beta
D
gamma
9) Name the scientist who discovered two very radioactive elements.
A
Marie Curie
B
Albert Einstein
C
John Dalton
D
Henri Becquerel
10) An isotope is an element that has a different number of __________ compared to the regular element.
A
orbitals
B
protons
C
electrons
D
neutrons
*select an answer for all questions
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