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12 Nov 2019
Show that the mass M of an atom is given approximately by Mapp =Amp, where A is the mass number and mp is the proton mass. For (a)1H, (b)31 P, (c)120 Sn, (d)197 Au, and (e)239 Pu, use the massvalues given in Table 42-1 to find the percentage deviation betweenMapp and M:
percentage deviation = ((Mapp - M)/M)*100
Table 42-1 information:
1 H --- Z=1 N=0 A=1 Stability=99.985% Mass=1.007825 Spin=1/2Binding Energy=NA
31 P --- Z=15 N=16 A=31 Stability=100% Mass=30.9737 Spin=1/2Binding Energy=8.48
120 Sn --- Z=50 N=70 A=120 Stability=32.4% Mass=119.902 Spin=0Binding Energy=8.51
197 Au --- Z=79 N=118 A=197 Stability=100 Mass=196.967 Spin=3/2Binding Energy=7.91
239 Pu --- Z=94 N=145 A=239 Stability=24100 y Mass=239.052 Spin=1/2Binding E=7.56
Show that the mass M of an atom is given approximately by Mapp =Amp, where A is the mass number and mp is the proton mass. For (a)1H, (b)31 P, (c)120 Sn, (d)197 Au, and (e)239 Pu, use the massvalues given in Table 42-1 to find the percentage deviation betweenMapp and M:
percentage deviation = ((Mapp - M)/M)*100
Table 42-1 information:
1 H --- Z=1 N=0 A=1 Stability=99.985% Mass=1.007825 Spin=1/2Binding Energy=NA
31 P --- Z=15 N=16 A=31 Stability=100% Mass=30.9737 Spin=1/2Binding Energy=8.48
120 Sn --- Z=50 N=70 A=120 Stability=32.4% Mass=119.902 Spin=0Binding Energy=8.51
197 Au --- Z=79 N=118 A=197 Stability=100 Mass=196.967 Spin=3/2Binding Energy=7.91
239 Pu --- Z=94 N=145 A=239 Stability=24100 y Mass=239.052 Spin=1/2Binding E=7.56
Nelly StrackeLv2
22 Sep 2019
