Mass and Decay In a nuclear decay, the total mass of the products ___ the mass of the parent nucleus. A.Equals B.Is less than C.Is greater than.

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Presentation transcript:

Mass and Decay In a nuclear decay, the total mass of the products ___ the mass of the parent nucleus. A.Equals B.Is less than C.Is greater than

Parent and Daughter If 14 C (Z=6) decays into 14 N (Z=7), the decay must be A.Alpha decay B.Beta-plus decay C.Beta-minus decay D.Gamma decay

rad Which does more damage to tissues: 1 rad of alphas or 1 rad of gammas? A.alphas B.gammas C.neither

rem Which does more damage to tissues: 1 rem of alphas or 1 rem of gammas? A.alphas B.gammas C.neither

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