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CompLab4

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

Which particle has more mass?
a.
proton
b.
neutron
 

2. 

Cathode rays are made from what particles?
a.
protons
c.
neutrons
b.
electrons
d.
quarks
 

3. 

How many electrons would it take to equal the mass of a penny?
a.
2.7 x 10^20
c.
2.7 x 10^27
b.
2.7 x 10^23
d.
2.7 x 10^31
 

4. 

What is the minimum aperture necessary for back-scattering to take place in the Rutherford experiment?
a.
1.5nm
c.
2.5nm
b.
2.1nm
d.
3.1nm
 

5. 

What is the average diameter of an atom?
a.
1 x 10^-10 m
c.
1 x 10^-15m
b.
1 x 10^-12 m
d.
1 x 10^-20m
 

6. 

The method in which the nucleus of an atom is split is called _____.
a.
atomic fission
c.
nuclear fusion
b.
nuclear fission
d.
atomic fusion
 

7. 

Which element is used for induced fission?
a.
U-238
c.
U-222
b.
Pt-235
d.
U-235
 

8. 

What two elements make up the neutron generator?
a.
Uranium and Plutonium
c.
Beryllium and Polonium
b.
Polonium and Uranium
d.
Uranium and Beryllium
 

9. 

Which of these is NOT a damage factor in a nuclear explosion?
a.
heat
c.
seismic waves
b.
radiation
d.
fallout
 

Completion
Complete each sentence or statement.
 

10. 

What was the last name of the man who discovered the neutron?
 

 

11. 

What was the last name of the man who invented the Periodic Table?     
 

 



 
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