1. 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

2. 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

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

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