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Which Statements are true about nuclear decays & radioactivi

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Which of the following statements are true about nuclear decays and radioactivity?

True False a neutrino is a particle with a negative charge and a very small mass

True False alpha decay involves emission of a 4He nucleus

True False beta decay involves emission of an electron

True False gamma decay involves emission of an electron

True False the mass of a radioactive nucleus before decay is greater than the total mass of the decay products

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