Antimony-124
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Antimony Antimony is a chemical element; it has chemical symbol, symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (). Antimony compounds have been known since ancient t ...
(Sb) occurs in two
stable isotope Stable nuclides are Isotope, isotopes of a chemical element whose Nucleon, nucleons are in a configuration that does not permit them the surplus energy required to produce a radioactive emission. The Atomic nucleus, nuclei of such isotopes are no ...
s, Sb and Sb. There are 37 artificial radioactive isotopes, the longest-lived of which are Sb, with a
half-life Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Film * Half-Life (film), ''Half-Life'' (film), a 2008 independent film by Jennifer Phang * ''Half Life: ...
of 2.75856 years; Sb, with half-life 60.2 days; and Sb, with half-life 12.35 days. All other isotopes have half-lives less than 4 days, most less than an hour. There are also many
isomers In chemistry, isomers are molecules or polyatomic ions with identical molecular formula – that is, the same number of atoms of each element – but distinct arrangements of atoms in space. ''Isomerism'' refers to the existence or possibili ...
, the longest-lived of which is Sb with half-life 5.76 days.


List of isotopes

, -id=Antimony-104 , rowspan=4, 104Sb , rowspan=4 style="text-align:right" , 51 , rowspan=4 style="text-align:right" , 53 , rowspan=4, 103.93634(11)# , rowspan=4, 470(130) ms , β+? , 104Sn , rowspan=4, , rowspan=4, , rowspan=4, , - , p (<7%) , 103Sn , - , β+, p (<7%) , 103In , - , α? , 100In , -id=Antimony-105 , rowspan=3, 105Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 54 , rowspan=3, 104.931277(23) , rowspan=3, 1.12(16) s , β+ (>99.9%) , 105Sn , rowspan=3, (5/2+) , rowspan=3, , rowspan=3, , - , p (<0.1%) , 104Sn , - , β+, p? , 104In , -id=Antimony-106 , 106Sb , style="text-align:right" , 51 , style="text-align:right" , 55 , 105.9286380(80) , 0.6(2) s , β+ , 106Sn , (2+) , , , -id=Antimony-106m , style="text-indent:1em" , 106mSb , colspan="3" style="text-indent:2em" , 103.5(3) keV , 226(14) ns , IT , 106Sb , (4+) , , , -id=Antimony-107 , 107Sb , style="text-align:right" , 51 , style="text-align:right" , 56 , 106.9241506(45) , 4.0(2) s , β+ , 107Sn , 5/2+# , , , -id=Antimony-108 , 108Sb , style="text-align:right" , 51 , style="text-align:right" , 57 , 107.9222267(59) , 7.4(3) s , β+ , 108Sn , (4+) , , , -id=Antimony-109 , 109Sb , style="text-align:right" , 51 , style="text-align:right" , 58 , 108.9181412(57) , 17.2(5) s , β+ , 109Sn , 5/2+# , , , -id=Antimony-110 , 110Sb , style="text-align:right" , 51 , style="text-align:right" , 59 , 109.9168543(64) , 23.6(3) s , β+ , 110Sn , (3+) , , , -id=Antimony-111 , 111Sb , style="text-align:right" , 51 , style="text-align:right" , 60 , 110.9132182(95) , 75(1) s , β+ , 111Sn , (5/2+) , , , -id=Antimony-112 , 112Sb , style="text-align:right" , 51 , style="text-align:right" , 61 , 111.912400(19) , 53.5(6) s , β+ , 112Sn , (3+) , , , -id=Antimony-112m , style="text-indent:1em" , 112mSb , colspan="3" style="text-indent:2em" , 825.9(4) keV , 536(22) ns , IT , 112Sb , (8−) , , , -id=Antimony-113 , 113Sb , style="text-align:right" , 51 , style="text-align:right" , 62 , 112.909375(18) , 6.67(7) min , β+ , 113Sn , 5/2+ , , , -id=Antimony-114 , 114Sb , style="text-align:right" , 51 , style="text-align:right" , 63 , 113.909289(21) , 3.49(3) min , β+ , 114Sn , 3+ , , , -id=Antimony-114m , style="text-indent:1em" , 114mSb , colspan="3" style="text-indent:2em" , 495.5(7) keV , 219(12) μs , IT , 114Sb , (8−) , , , -id=Antimony-115 , 115Sb , style="text-align:right" , 51 , style="text-align:right" , 64 , 114.906598(17) , 32.1(3) min , β+ , 115Sn , 5/2+ , , , -id=Antimony-115m , style="text-indent:1em" , 115mSb , colspan="3" style="text-indent:2em" , 2796.26(9) keV , 159(3) ns , IT , 115Sb , (19/2)− , , , -id=Antimony-116 , 116Sb , style="text-align:right" , 51 , style="text-align:right" , 65 , 115.9067927(55) , 15.8(8) min , β+ , 116Sn , 3+ , , , -id=Antimony-116m1 , style="text-indent:1em" , 116m1Sb , colspan="3" style="text-indent:2em" , 93.99(5) keV , 194(4) ns , IT , 116Sb , 1+ , , , -id=Antimony-116m2 , style="text-indent:1em" , 116m2Sb , colspan="3" style="text-indent:2em" , 390(40) keV , 60.3(6) min , β+ , 116Sn , 8− , , , -id=Antimony-117 , 117Sb , style="text-align:right" , 51 , style="text-align:right" , 66 , 116.9048415(91) , 2.97(2) h , β+ , 117Sn , 5/2+ , , , -id=Antimony-117m1 , style="text-indent:1em" , 117m1Sb , colspan="3" style="text-indent:2em" , 3130.76(19) keV , 355(17) μs , IT , 117Sb , (25/2)+ , , , -id=Antimony-117m2 , style="text-indent:1em" , 117m2Sb , colspan="3" style="text-indent:2em" , 3230.7(2) keV , 290(5) ns , IT , 117Sb , (23/2−) , , , -id=Antimony-118 , 118Sb , style="text-align:right" , 51 , style="text-align:right" , 67 , 117.9055322(32) , 3.6(1) min , β+ , 118Sn , 1+ , , , -id=Antimony-118m1 , style="text-indent:1em" , 118m1Sb , colspan="3" style="text-indent:2em" , 50.814(21) keV , 20.6(6) μs , IT , 118Sb , 3+ , , , -id=Antimony-118m2 , style="text-indent:1em" , 118m2Sb , colspan="3" style="text-indent:2em" , 250(6) keV , 5.01(3) h , β+ , 118Sn , 8− , , , -id=Antimony-119 , 119Sb , style="text-align:right" , 51 , style="text-align:right" , 68 , 118.9039441(75) , 38.19(22) h , EC , 119Sn , 5/2+ , , , -id=Antimony-119m1 , style="text-indent:1em" , 119m1Sb , colspan="3" style="text-indent:2em" , 2553.6(3) keV , 130(3) ns , IT , 119Sb , 19/2− , , , -id=Antimony-119m2 , style="text-indent:1em" , 119m2Sb , colspan="3" style="text-indent:2em" , 2841.7(4) keV , 835(81) ms , IT , 119Sb , 25/2+ , , , -id=Antimony-120 , 120Sb , style="text-align:right" , 51 , style="text-align:right" , 69 , 119.9050803(77) , 15.89(4) min , β+ , 120Sn , 1+ , , , -id=Antimony-120m1 , style="text-indent:1em" , 120m1SbOrder of ground state and isomer is uncertain. , colspan="3" style="text-indent:2em" , 0(100)# keV , 5.76(2) d , β+ , 120Sn , 8− , , , -id=Antimony-120m2 , style="text-indent:1em" , 120m2Sb , colspan="3" style="text-indent:2em" , 78.16(5) keV , 246(2) ns , IT , 120Sb , (3+) , , , -id=Antimony-120m3 , style="text-indent:1em" , 120m3Sb , colspan="3" style="text-indent:2em" , 2328(100)# keV , 400(8) ns , IT , 120Sb , 13+ , , , -id=Antimony-121 , 121Sb Fission product , style="text-align:right" , 51 , style="text-align:right" , 70 , 120.9038114(27) , colspan=3 align=center, Stable , 5/2+ , 0.5721(5) , , -id=Antimony-121m , style="text-indent:1em" , 121mSb , colspan="3" style="text-indent:2em" , 2751(17) keV , 179(6) μs , IT , 121Sb , (25/2+) , , , -id=Antimony-122 , rowspan=2, 122Sb , rowspan=2 style="text-align:right" , 51 , rowspan=2 style="text-align:right" , 71 , rowspan=2, 121.9051693(27) , rowspan=2, 2.7238(2) d , β (97.59%) , 122Te , rowspan=2, 2− , rowspan=2, , rowspan=2, , - , β+ (2.41%) , 122Sn , -id=Antimony-122m1 , style="text-indent:1em" , 122m1Sb , colspan="3" style="text-indent:2em" , 61.4131(5) keV , 1.86(8) μs , IT , 122Sb , 3+ , , , -id=Antimony-122m2 , style="text-indent:1em" , 122m2Sb , colspan="3" style="text-indent:2em" , 137.4726(8) keV , 0.53(3) ms , IT , 122Sb , 5+ , , , -id=Antimony-122m3 , style="text-indent:1em" , 122m3Sb , colspan="3" style="text-indent:2em" , 163.5591(17) keV , 4.191(3) min , IT , 122Sb , 8− , , , -id=Antimony-123 , 123Sb , style="text-align:right" , 51 , style="text-align:right" , 72 , 122.9042153(15) , colspan=3 align=center, Stable , 7/2+ , 0.4279(5) , , -id=Antimony-123m1 , style="text-indent:1em" , 123m1Sb , colspan="3" style="text-indent:2em" , 2237.8(3) keV , 214(3) ns , IT , 123Sb , 19/2− , , , -id=Antimony-123m2 , style="text-indent:1em" , 123m2Sb , colspan="3" style="text-indent:2em" , 2613.4(4) keV , 65(1) μs , IT , 123Sb , 23/2+ , , , -id=Antimony-124 , 124Sb , style="text-align:right" , 51 , style="text-align:right" , 73 , 123.9059371(15) , 60.20(3) d , β , 124Te , 3− , , , -id=Antimony-124m1 , rowspan=2 style="text-indent:1em" , 124m1Sb , rowspan=2 colspan="3" style="text-indent:2em" , 10.8627(8) keV , rowspan=2, 93(5) s , IT (75%) , 124Sb , rowspan=2, 5+ , rowspan=2, , rowspan=2, , - , β (25%) , 124Te , -id=Antimony-124m2 , style="text-indent:1em" , 124m2Sb , colspan="3" style="text-indent:2em" , 36.8440(14) keV , 20.2(2) min , IT , 124m1Sb , (8)− , , , -id=Antimony-124m3 , style="text-indent:1em" , 124m3Sb , colspan="3" style="text-indent:2em" , 40.8038(7) keV , 3.2(3) μs , IT , 124Sb , (3+) , , , -id=Antimony-125 , 125Sb , style="text-align:right" , 51 , style="text-align:right" , 74 , 124.9052543(27) , 2.7576(11) y , β , 125Te , 7/2+ , , , -id=Antimony-125m1 , style="text-indent:1em" , 125m1Sb , colspan="3" style="text-indent:2em" , 1971.25(20) keV , 4.1(2) μs , IT , 125Sb , 15/2− , , , -id=Antimony-125m2 , style="text-indent:1em" , 125m2Sb , colspan="3" style="text-indent:2em" , 2112.1(3) keV , 28.5(5) μs , IT , 125Sb , 19/2− , , , -id=Antimony-125m3 , style="text-indent:1em" , 125m3Sb , colspan="3" style="text-indent:2em" , 2471.0(4) keV , 277.0(64) ns , IT , 125Sb , (23/2)+ , , , -id=Antimony-126 , 126Sb , style="text-align:right" , 51 , style="text-align:right" , 75 , 125.907253(34) , 12.35(6) d , β , 126Te , 8− , , , -id=Antimony-126m1 , rowspan=2 style="text-indent:1em" , 126m1Sb , rowspan=2 colspan="3" style="text-indent:2em" , 17.7(3) keV , rowspan=2, 19.15(8) min , β (86%) , 126Te , rowspan=2, 5+ , rowspan=2, , rowspan=2, , - , IT (14%) , 126Sb , -id=Antimony-126m2 , style="text-indent:1em" , 126m2Sb , colspan="3" style="text-indent:2em" , 40.4(3) keV , ~11 s , IT , 126m1Sb , 3− , , , -id=Antimony-126m3 , style="text-indent:1em" , 126m3Sb , colspan="3" style="text-indent:2em" , 104.6(3) keV , 553(5) ns , IT , 126Sb , 3+ , , , -id=Antimony-126m4 , style="text-indent:1em" , 126m4Sb , colspan="3" style="text-indent:2em" , 1810.7(17) keV , 90(16) ns , IT , 126Sb , (13+) , , , -id=Antimony-127 , 127Sb , style="text-align:right" , 51 , style="text-align:right" , 76 , 126.9069256(55) , 3.85(5) d , β , 127Te , 7/2+ , , , -id=Antimony-127m1 , style="text-indent:1em" , 127m1Sb , colspan="3" style="text-indent:2em" , 1920.19(21) keV , 11.7(1) μs , IT , 127Sb , 15/2− , , , -id=Antimony-127m2 , style="text-indent:1em" , 127m2Sb , colspan="3" style="text-indent:2em" , 2324.7(4) keV , 269(5) ns , IT , 127Sb , 23/2+ , , , -id=Antimony-128 , 128Sb , style="text-align:right" , 51 , style="text-align:right" , 77 , 127.909146(20) , 9.05(4) h , β , ''128Te'' , 8− , , , -id=Antimony-128m1 , rowspan=2 style="text-indent:1em" , 128m1Sb , rowspan=2 colspan="3" style="text-indent:2em" , 10(6) keV , rowspan=2, 10.41(18) min , β (96.4%) , ''128Te'' , rowspan=2, 5+ , rowspan=2, , rowspan=2, , - , IT (3.6%) , 128Sb , -id=Antimony-128m2 , style="text-indent:1em" , 128m2Sb , colspan="3" style="text-indent:2em" , 1617.3(7) keV , 500(20) ns , IT , 128Sb , (11+) , , , -id=Antimony-128m3 , style="text-indent:1em" , 128m3Sb , colspan="3" style="text-indent:2em" , 1769.9(12) keV , 217(7) ns , IT , 128Sb , (13+) , , , -id=Antimony-129 , 129Sb , style="text-align:right" , 51 , style="text-align:right" , 78 , 128.909147(23) , 4.366(26) h , β , 129Te , 7/2+ , , , -id=Antimony-129m1 , rowspan=2 style="text-indent:1em" , 129m1Sb , rowspan=2 colspan="3" style="text-indent:2em" , 1851.31(6) keV , rowspan=2, 17.7(1) min , β (85%) , 129Te , rowspan=2, 19/2− , rowspan=2, , rowspan=2, , - , IT (15%) , 129Sb , -id=Antimony-129m2 , style="text-indent:1em" , 129m2Sb , colspan="3" style="text-indent:2em" , 1861.06(5) keV , 2.23(17) μs , IT , 129Sb , 15/2− , , , -id=Antimony-129m3 , style="text-indent:1em" , 129m3Sb , colspan="3" style="text-indent:2em" , 2139.4(3) keV , 0.89(3) μs , IT , 129Sb , 23/2+ , , , -id=Antimony-130 , 130Sb , style="text-align:right" , 51 , style="text-align:right" , 79 , 129.911663(15) , 39.5(8) min , β , ''130Te'' , 8− , , , -id=Antimony-130m1 , style="text-indent:1em" , 130m1Sb , colspan="3" style="text-indent:2em" , 4.80(20) keV , 6.3(2) min , β , ''130Te'' , 4+ , , , -id=Antimony-130m2 , style="text-indent:1em" , 130m2Sb , colspan="3" style="text-indent:2em" , 84.67(4) keV , 800(100) ns , IT , 130Sb , 6− , , , -id=Antimony-130m3 , style="text-indent:1em" , 130m3Sb , colspan="3" style="text-indent:2em" , 1508(1) keV , 600(15) ns , IT , 130Sb , (11+) , , , -id=Antimony-130m4 , style="text-indent:1em" , 130m4Sb , colspan="3" style="text-indent:2em" , 1544.7(5) keV , 1.25(1) μs , IT , 130Sb , (13+) , , , -id=Antimony-131 , 131Sb , style="text-align:right" , 51 , style="text-align:right" , 80 , 130.9119893(22) , 23.03(4) min , β , 131Te , 7/2+ , , , -id=Antimony-131m1 , style="text-indent:1em" , 131m1Sb , colspan="3" style="text-indent:2em" , 1676.06(6) keV , 64.2(26) μs , IT , 131Sb , 15/2− , , , -id=Antimony-131m2 , style="text-indent:1em" , 131m2Sb , colspan="3" style="text-indent:2em" , 1687.2(9) keV , 4.3(8) μs , IT , 131Sb , 19/2− , , , -id=Antimony-131m3 , style="text-indent:1em" , 131m3Sb , colspan="3" style="text-indent:2em" , 2165.6(15) keV , 0.97(3) μs , IT , 131Sb , 23/2+ , , , -id=Antimony-132 , 132Sb , style="text-align:right" , 51 , style="text-align:right" , 81 , 131.9145141(29) , 2.79(7) min , β , 132Te , (4)+ , , , -id=Antimony-132m1 , style="text-indent:1em" , 132m1Sb , colspan="3" style="text-indent:2em" , 139.3(20) keV , 4.10(5) min , β , 132Te , (8−) , , , -id=Antimony-132m2 , style="text-indent:1em" , 132m2Sb , colspan="3" style="text-indent:2em" , 254.5(3) keV , 102(4) ns , IT , 132Sb , (6−) , , , -id=Antimony-133 , 133Sb , style="text-align:right" , 51 , style="text-align:right" , 82 , 132.9152721(34) , 2.34(5) min , β , 133Te , (7/2+) , , , -id=Antimony-133m , style="text-indent:1em" , 133mSb , colspan="3" style="text-indent:2em" , 4541(9) keV , 16.54(19) μs , IT , 133Sb , (21/2+) , , , -id=Antimony-134 , rowspan=2, 134Sb , rowspan=2 style="text-align:right" , 51 , rowspan=2 style="text-align:right" , 83 , rowspan=2, 133.9205373(33) , rowspan=2, 674(4) ms , β , 134Te , rowspan=2, (0-) , rowspan=2, , rowspan=2, , - , β, n? , 133Te , -id=Antimony-134m , rowspan=2 style="text-indent:1em" , 134mSb , rowspan=2 colspan="3" style="text-indent:2em" , 279(1) keV , rowspan=2, 10.01(4) s , β (99.91%) , 134Te , rowspan=2, (7−) , rowspan=2, , rowspan=2, , - , β, n (0.088%) , 133Te , -id=Antimony-135 , rowspan=2, 135Sb , rowspan=2 style="text-align:right" , 51 , rowspan=2 style="text-align:right" , 84 , rowspan=2, 134.9251844(28) , rowspan=2, 1.668(9) s , β (80.9%) , 135Te , rowspan=2, (7/2+) , rowspan=2, , rowspan=2, , - , β, n (19.1%) , 134Te , -id=Antimony-136 , rowspan=3, 136Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 85 , rowspan=3, 135.9307490(63) , rowspan=3, 0.923(14) s , β (75.2%) , 136Te , rowspan=3, (1−) , rowspan=3, , rowspan=3, , - , β, n (24.7%) , 135Te , - , β, 2n (0.14%) , 134Te , -id=Antimony-136m , style="text-indent:1em" , 136mSb , colspan="3" style="text-indent:2em" , 269.3(5) keV , 570(5) ns , IT , 136Sb , (6−) , , , -id=Antimony-137 , rowspan=3, 137Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 86 , rowspan=3, 136.935523(56) , rowspan=3, 497(21) ms , β (51%) , 137Te , rowspan=3, 7/2+# , rowspan=3, , rowspan=3, , - , β, n (49%) , 136Te , - , β, 2n? , 135Te , -id=Antimony-138 , rowspan=3, 138Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 87 , rowspan=3, 137.94133(32)# , rowspan=3, 333(7) ms , β, n (72%) , 137Te , rowspan=3, (3−) , rowspan=3, , rowspan=3, , - , β (28%) , 138Te , - , β, 2n? , 136Te , -id=Antimony-139 , rowspan=3, 139Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 88 , rowspan=3, 138.94627(43)# , rowspan=3, 182(9) ms , β, n (90%) , 138Te , rowspan=3, 7/2+# , rowspan=3, , rowspan=3, , - , β (10%) , 139Te , - , β, 2n? , 137Te , -id=Antimony-140 , rowspan=3, 140Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 89 , rowspan=3, 139.95235(64)# , rowspan=3, 170(6) ms , β (69%) , 140Te , rowspan=3, (3−) , rowspan=3, , rowspan=3, , - , β, n (23%) , 139Te , - , β, 2n (7.6%) , 138Te , -id=Antimony-140m , style="text-indent:1em" , 140mSb , colspan="3" style="text-indent:2em" , 330(30)# keV , 41(8) μs , IT , 140Sb , (6−,7−) , , , -id=Antimony-141 , rowspan=3, 141Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 90 , rowspan=3, 140.95755(54)# , rowspan=3, 103(29) ms , β , 141Te , rowspan=3, 7/2+# , rowspan=3, , rowspan=3, , - , β, n? , 140Te , - , β, 2n? , 139Te , -id=Antimony-142 , rowspan=3, 142Sb , rowspan=3 style="text-align:right" , 51 , rowspan=3 style="text-align:right" , 91 , rowspan=3, 141.96392(32)# , rowspan=3, 80(50) ms , β , 142Te , rowspan=3, , rowspan=3, , rowspan=3, , - , β, n? , 141Te , - , β, 2n? , 140Te


See also

Daughter products other than antimony * Isotopes of tellurium * Isotopes of tin * Isotopes of indium


References

* Isotope masses from: ** * Isotopic compositions and standard atomic masses from: ** ** * Half-life, spin, and isomer data selected from the following sources. ** ** ** {{Authority control Antimony
Antimony Antimony is a chemical element; it has chemical symbol, symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (). Antimony compounds have been known since ancient t ...