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Physics
Explain the effects on the atomic (proton) number and mass (nucleon)…
Pearson EdexcelGCSE
1PH0
Physics
Recall that nuclei that have undergone radioactive decay often undergo…
Pearson EdexcelGCSE
1PH0
Physics
Use given data to balance nuclear equations in terms of mass and charge
Pearson EdexcelGCSE
1PH0
Physics
Describe how the activity of a radioactive source decreases over a period…
Pearson EdexcelGCSE
1PH0
Physics
Recall that the unit of activity of a radioactive isotope is the…
Pearson EdexcelGCSE
1PH0
Physics
Explain that the half-life of a radioactive isotope is the time taken for…
Pearson EdexcelGCSE
1PH0
Physics
Explain that it cannot be predicted when a particular nucleus will decay…
Pearson EdexcelGCSE
1PH0
Physics
Use the concept of half-life to carry out simple calculations on the decay…
Pearson EdexcelGCSE
1PH0
Physics
6.28P Describe uses of radioactivity, including: a household fire (smoke)…
Pearson EdexcelGCSE
1PH0
Physics
Describe the dangers of ionising radiation in terms of tissue damage and…
Pearson EdexcelGCSE
1PH0
Physics
Describe the structure of nuclei of isotopes using the terms atomic…
Pearson EdexcelGCSE
1PH0
Physics
6.30P Explain how the dangers of ionising radiation depend on half- life…
Pearson EdexcelGCSE
1PH0
Physics
Explain the precautions taken to ensure the safety of people exposed to…
Pearson EdexcelGCSE
1PH0
Physics
6.34P Explain some of the uses of radioactive substances in diagnosis of…
Pearson EdexcelGCSE
1PH0
Physics
6.35P Explain why isotopes used in PET scanners have to be produced nearby
Pearson EdexcelGCSE
1PH0
Physics
6.37P Recall that nuclear reactions, including fission, fusion and…
Pearson EdexcelGCSE
1PH0
Physics
6.38P Explain how the fission of U-235 produces two daughter nuclei and…
Pearson EdexcelGCSE
1PH0
Physics
6.39P Explain the principle of a controlled nuclear chain reaction
Pearson EdexcelGCSE
1PH0
Physics
Recall that the nucleus of each element has a characteristic positive…
Pearson EdexcelGCSE
1PH0
Physics
6.40P Explain how the chain reaction is controlled in a nuclear reactor,…
Pearson EdexcelGCSE
1PH0
Physics
6.41P Describe how thermal (heat) energy from the chain reaction is used…
Pearson EdexcelGCSE
1PH0
Physics
6.42P Recall that the products of nuclear fission are radioactive
Pearson EdexcelGCSE
1PH0
Physics
6.43P Describe nuclear fusion as the creation of larger nuclei resulting…
Pearson EdexcelGCSE
1PH0
Physics
6.44P Explain the difference between nuclear fusion and nuclear fission
Pearson EdexcelGCSE
1PH0
Physics
6.45P Explain why nuclear fusion does not happen at low temperatures and…
Pearson EdexcelGCSE
1PH0
Physics
6.46P Relate the conditions for fusion to the difficulty of making a…
Pearson EdexcelGCSE
1PH0
Physics
Recall the relative masses and relative electric charges of protons,…
Pearson EdexcelGCSE
1PH0
Physics
Recall that in an atom the number of protons equals the number of…
Pearson EdexcelGCSE
1PH0
Physics
Recall that in each atom its electrons orbit the nucleus at different set…
Pearson EdexcelGCSE
1PH0
Physics
Explain that electrons change orbit when there is absorption or emission…
Pearson EdexcelGCSE
1PH0
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