AQA A2 Physics A Nuclear Physics Definitions

1. The degree of hotness of an object. (11)
4. Atoms of the same element which have the same number of protons but a different number of neutrons. (8)
5. A gas under conditions such that it obeys Boyle's Law (5, 3)

2. Electrons emitted by unstable neutron-rich nuclei, easily absorbed by paper and less ionising than alpha radiation. (4, 9)
3. Electromagnetic radiation emitted by an unstable nucleus when it becomes more stable (5, 9)
6. Change in an unstable nucleus when it emits an alpha particle (5, 5)
7. A series of reactions in which each reaction causes a further reaction. (5, 8)
8. The temperature at which a pure substance melts. (7, 5)
9. The fusing together of light nuclei to form a heavier nucleus (6)
10. For a fixed mass of an ideal gas at constant volume, its pressure is directly constant to its absolute temperature. (8, 3)

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