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The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and Highers/Advanced Highers exam specifications.
The huge destructive impact of a nuclear bomb arises from nuclear fission chain reactions. A small loss of mass (mass defect) gives rise to a large release of energy, as described by Einstein’s equation. Non-SI units, the atomic mass unit (u) and the electronvolt (eV), are commonly used in nuclear energy calculations.
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