This set of MCQs helps you brush up on important chemistry topics and prepare you to dive into skill practice.
Which type of radiation is most penetrating?
Beta
Gamma
Alpha
They are equal
Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.
Fusion
Tracing
Decay
Fission
Which produces more energy-nuclear fission or nuclear fusion?
Fusion
Fission
It depends on the elements used
They produce the same amount
Beta particles have a _____ charge.
0
-1
-2
+1
Which type of reaction does the diagram illustrate?
Fusion
Alpha decay
Beta decay
Fission
In nuclear fusion,
Large unstable nuclei are fused and then split.
Large unstable nuclei are split, releasing energy.
Small, relatively stable nuclei are fused together to create a larger atom.
Small, relatively stable nuclei are split, releasing energy.
After three half-lives, what fraction of the original radioactive isotope remains?
1/2
1/4
1/8
1/12
The atomic number decreases by two during what type of radiation?
Alpha
Beta
Gamma
None of the choices