The alpha particle is - 2 protons and 2 neutrons, The beta particle is - A fast moving electron, Gamma radiation - A wave of EM energy, Half life - The time it takes for activity to reduce by half, 1Bq is equal to - One nuclear distintergration each second, Becquerel - The unit of radioactivity, The most ionising form of nuclear radiation - Alpha, The most penetrating form of nuclear radiation is - The gamma wave, The GM tube - Used to measure radioactivity, In decay equations mass and atomic number are - Conserved,

Nuclear radiation retrieval

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