WorksheetsGCSE Atomic and Nuclear Revision
Total questions: 20
Worksheet time: 10mins
Which of the following is the correct combination of nucleons in this isotope of Carbon?
14 protons and 6 electrons
8 neutrons and 6 protons
6 neutrons and 8 protons
6 protons and 8 electrons
The image shows three isotopes of hydrogen. Which of the following correctly describes the meaning of an isotope?
Atoms of the same element with the same number of electrons and neutrons but different numbers of protons
Atoms of the same element with the same number of protons and neutrons but different numbers of electrons
Atoms of the same element with the same number of electrons and protons but different numbers of neutrons
Atoms of the same element with the same number of electrons, neutrons and protons
Which of the following types of radiation is most ionising over a short range?
Alpha
Beta
Gamma
Which of the following is sufficient to prevent beta radiation passing through
1 cm paper
1 mm aluminium
5 cm paper
5 mm aluminium
1 cm lead
In the Rutherford Bohr experiment one observation noted was that most alpha particles fired at the gold foil passed straight through. What does this tell us about the structure of the atom?
The nucleus was positively charged
The nucleus was negatively charged
The atom was made up mostly of empty space
The atom was very dense and tightly packed with nucleons
In the Rutherford Bohr experiment one observation noted was that some alpha particles fired at the gold foil were backscattered. What does this tell us about the structure of the atom?
The nucleus was positively charged
The nucleus was negatively charged
The atom was made up mostly of empty space
The atom was very dense and tightly packed with nucleons
Which of the following are methods for protecting a person from radioactivity?
Distance
Shielding
Limiting time of exposure
All of the above
Which of the following occurs when Bismuth-213 decays to Polonium-213?
Which of the following occurs when Polonium-213 decays to Lead-209?
Which of the following occurs when Bismuth-213 decays to Lead-209?
Which of the following decays will result in no change is mass or atomic number?
Which of the following contributes to background radiation?
Cosmic Radiation
Naturally occurring radioactive ore
Naturally occurring radioactivity in foods
Radioactive isotopes used in laboratories
Radioactive sodium has a half life of 12 hours. When a sample is first produced the count rate is 2048 c.p.s. What would you expect the count rate to be after 3 days?
1024 c.p.s
512 c.p.s
341 c.p.s
32 c.p.s
Radioactive potassium has its count rate measured as 25 c.p.s. It has a half life of 2.5 hours. What would the count rate have been 20 hours before?
6400 c.p.s
3200 c.p.s
1600 c.p.s
80p c.p.s
Which of the following types of radiation would be most suitable to use in a thickness monitor in a factory manufacturing wallpaper rolls?
Alpha
Beta
Gamma
Which of the following types of radiation would be most suitable to use to detect fractures and leaks in underground pipes?
Alpha
Beta
Gamma
What is the name given to this type of energy producing reaction
Combustion
Fission
Fusion
What conditions are required to overcome electrostatic repulsion between protons in order to establish a fusion reaction?
Strong magnetic fields
Extremely high temperatures
Weak magnetic fields
Extremely cold temperatures
What is the name given to this type of energy producing reaction
Combustion
Fission
Fusion
Which of the following are disadvantages of using nuclear fission to generate electrical power?
Production of radioactive waste which is difficult to dispose of and remains radioactive for long periods of time
Contributes to global warming
Risks of reactor meltdown/ nuclear disaster
Expensive decommissioning costs
