5. Find the nuclear radius of (a) 197 Au; (b) 4He; (c) 20Ne. 6. The ionic radius of lead is 0.180 nm. Compute the frac- tion of the volume of a lead atom occupied by a nucleus of 208 Pb. h ra h Section Section Nuclear radius R = RoA1/3, Ro= 1.2 fm 12.2 Nuclear B=[Nm+ Zm(H)-m(X)]c² 12.3 Qvalue of decay Q=[mx (mx, +m,)]c² 12.6 binding energy X-X' + X Proton Sp=[m(X)+m(H) 12.3 Q value of Q=[m(X)-m(X) - m(He)]c² 12.7 separation -m(xx)]c² alpha decay energy Kinetic energy K = Q(A-4)/A 12.7 Neutron S=[m(X-1)+m 12.3 of alpha separation -m(XN)]c² particle energy Q values of Q = [m(1X)-m(1X)]c², 12.8 Range of mc² = hc/x 12.4 beta decay Q = [m(1X)-m(1X) - 2m.]c² exchanged Recoil in KR = E²/2Mc² 12.9 particle gamma decay Activity a = AN, λ = In 2/11/2 = 0.693/11/2 12.5 Radioactive N = Noe, a = aoe- 12.5 decay law

5. Find the nuclear radius of (a) 197 Au; (b) 4He; (c) 20Ne. 6. The ionic radius of lead is 0.180 nm. Compute the frac- tion of the volume of a lead atom occupied by a nucleus of 208 Pb. h ra h Section Section Nuclear radius R = RoA1/3, Ro= 1.2 fm 12.2 Nuclear B=[Nm+ Zm(H)-m(X)]c² 12.3 Qvalue of decay Q=[mx (mx, +m,)]c² 12.6 binding energy X-X' + X Proton Sp=[m(X)+m(H) 12.3 Q value of Q=[m(X)-m(X) - m(He)]c² 12.7 separation -m(xx)]c² alpha decay energy Kinetic energy K = Q(A-4)/A 12.7 Neutron S=[m(X-1)+m 12.3 of alpha separation -m(XN)]c² particle energy Q values of Q = [m(1X)-m(1X)]c², 12.8 Range of mc² = hc/x 12.4 beta decay Q = [m(1X)-m(1X) - 2m.]c² exchanged Recoil in KR = E²/2Mc² 12.9 particle gamma decay Activity a = AN, λ = In 2/11/2 = 0.693/11/2 12.5 Radioactive N = Noe, a = aoe- 12.5 decay law