Nuclear Physics Test

Who were the first people to use the phrase 'atom'?
1. The Greeks
2. The Vikings
3. The Chinese
4. The Romans
Which of these could be used as a fuel in a nuclear fission reactor?
1. Uranium-235
2. Tritium
3. Deuterium
4. Plutonium-239
Look at the nuclear symbol for uranium 235.
What does the number 92 stand for?
1. Atomic number
2. Mass number
3. Number of protons
4. Number of neutrons
The diagram shows an uranium atom splitting, what name is given to this process?
1. Nuclear fusion
2. Nuclear fission
3. Nuclear fizzing
4. Nuclear decay
The diagram shows the plum pudding model of an atom. Which part of the atom do the plums refer to?
1. Nucleus
2. Protons
3. Electrons
4. Neutrons
In the diagram of the nuclear reactor X points to the part that is lowered into and out of the reactor to control the rate of fission. What are these called?
1. Fuel rods
2. Control rods
3. Moderator
4. Coolant
The nuclear symbol for uranium-235 is. How many neutrons are present inside the uranium nucleus?
1. 92
2. 235
3. 143
4. 327
The diagram shows three obseravtions made during Rutherford's alpha scattering experiment. Which observation provides evidence that the nucleus of an atom is very small?
1. Most alpha particles travel straight through the thin gold foil.
2. Some alpha particles are deflected through small angles.
3. A few alpha particles are ‘back-scattered’ just as if they bounce off the gold foil.
The nuclear symbol for uranium-235 is. How many protons are present inside the uranium nucleus?
1. 92
2. 235
3. 143
4. 327
What is the missing number in the nuclear equation?
1. 228
2. 230
3. 222
4. 92
In his atomic model how did Neils Bohr solve the dilemma of atomic spectra?
1. By only allowing electrons to occupy certain orbits.
2. By allowing electrons occupy any position around the nucleus.
3. By putting all the positive charge in the nucleus.
4. By assuming that the electrons float round in a positive fluid.
What term is used to describe this process?
1. Induced nuclear fission
2. Spontaneous nuclear fission
3. Nuclear fusion
4. Nuclear fizzing
What are beta particles?
1. Fast moving electrons
2. Neutrons
3. A helium nucleus
4. A helium atom
What are alpha particles?
1. Fast electrons
2. Neutrons
3. A helium nucleus
4. A helium atom
Which of these are isotopes?
Where would we find the fuel required to power a nuclear fusion reactor?
1. The sea
2. The ground
3. The air
4. In space
Which statement best describes nuclear fusion.
1. Light atoms are fused together into heavier atoms.
2. Heavy nuclei are split into smaller nuclei.
3. Light nuclei are fused into heavier nuclei.
4. Heavy nuclei are fused to form heavier nuclei.
During nuclear fusion hydrogen is fused into which element?
1. Helium
2. Hydrogen
3. Carbon
4. Uranium
What best describes this diagram?
1. Nuclear fusion
2. Chain reaction
3. Neutron capture
4. Alpha decay
We have not yet managed to make a nuclear fusion reactor. What two conditions are required to get nuclear fusion to work?