*31.Write the symbols for the daughter nuclei in the follow-
ing radioactive decays ( refers to an e).
(a)^125 Sn888n (d)^147 Sm888n
n p
(b)^13 C888n (e)^184 Ir888n
(c)^11 B888n (f)^4019 K888n
*32.Predict the kind of decays you would expect for the fol-
lowing radionuclides. (a)^6027 Co (n/pratio too high); (b)^2011 Na
(n/pratio too low); (c)^222086 Rn; (d)^6729 Cu; (e)^238092 U; (f)^1106 C.
*33.What are nuclear bombardment reactions? Explain the
shorthand notation used to describe bombardment
reactions.
*34.Fill in the missing symbols in the following nuclear
bombardment reactions.
(a)^2311 Na_?_88n^2312 Mg^10 n(b)^5927 Co^10 n88n^5625 Mn_?_(c)^9642 Mo^42 He88n^100043 Tc_?_(d)^209083 Bi_?_88n^210084 Po^10 n(e)^238092 U^1608 O88n_?_ 5 10 n
*35.Fill in the missing symbols in the following nuclear
bombardment reactions.
(a)^232090 Th_?_88n^240096 Cm 4 10 n(b) _?_^11 H88n^2914 Si^00 (c) 026 ?Mg_?_88n 026 ?Al^10 n(d)^4018 Ar_?_88n 043 ?K^11 H*36.Write the symbols for the daughter nuclei in the follow-
ing nuclear bombardment reactions. (a)^6028 Ni (n, p); (b)^9842 Mo
(^10 n, ); (c)^3517 Cl (p, ).
*37.Write the symbols for the daughter nuclei in the following
nuclear bombardment reactions. (a)^2010 Ne ( , ); (b)^1507 N
(p, ); (c)^1005 B (n, ).
*38.Write the nuclear equation for each of the following bom-
bardment processes. (a)^1407 N ( , p)^1708 O; (b)^106046 Pd (n, p)(^106045) Rh; (c) (^2311) Na (n, )X. Identify X.
39.Repeat Exercise 38 for the following. (a)^113048 Cd (n,)^114048 Cd;
(b)^63 Li (n, )^31 H; (c)^21 H (, p)X. Identify X.
40.Write the shorthand notation for each of the following
nuclear reactions.
(a)^63 Li^10 n88n^42 He^31 H
(b)^3115 P^21 H88n^3215 P^11 H
(c)^238092 U^10 n88n^239093 Np^01 e
41.Repeat Exercise 40 for the following.
(a)^253099 Es^42 He88n^256101 Md^10 n
(b)^2713 Al^10 n88n^2613 Al 2 10 n
(c)^3717 Cl^11 H88n^10 n^3718 Ar
42.Write the nuclear equations for the following processes.
(a)^6328 Ni undergoing emission; (b) two deuterium ions
undergoing fusion to give^32 He and a neutron; (c) a nuclide
being bombarded by a neutron to form^73 Li and an -
particle (identify the unknown nuclide); (d)^1407 N being
bombarded by a neutron to form three -particles and an
atom of tritium.
43.Write the nuclear equations for the following processes.
(a)^220086 Rn undergoing decay; (b)^110049 In undergoing
positron emission; (c)^127053 I being bombarded by a proton
to form^121054 Xe and seven neutrons; (d) tritium and deu-
terium undergoing fusion to form an -particle and a
neutron; (e)^9542 Mo being bombarded by a proton to form
(^9543) Tc and radiation (identify this radiation).
44.“Radioactinium” is produced in the actinium series from
(^235092) U by the successive emission of an -particle, a -
particle, an -particle, and a -particle. What are the
symbol, atomic number, and mass number for “radioac-
tinium?”
45.An alkaline earth element (Group IIA) is radioactive. It
undergoes decay by emitting three -particles in succes-
sion. In what periodic table group is the resulting element
found?
46.A nuclide of element rutherfordium,^257104 Rf, is formed by
the nuclear reaction of californium-249 and carbon-12,
with the emission of four neutrons. This new nuclide
rapidly decays by emitting an -particle. Write the equa-
tion for each of these nuclear reactions.
*47.Supply the missing information to each of the following
equations.
(a)^5324 Cr^42 He88n^10 n?
(b)^187075 Re 88n?
(c)^243095 Am^10 n88n 00244 ?Cm?
(d)^3517 Cl_?_88n^3216 S^42 He
1036 CHAPTER 26: Nuclear Chemistry