Изотопи на арсенот

Арсенот (33As) има 32 познати изотопи и најмалку 10 изомери. Само еден од овие изотопи, 75As, е стабилен. Како таков, тој се смета за моноизотопски елемент. Најдолговечниот радиоизотоп е 73As со време на полураспад од 80 дена.

Список на изотопи

|-id=Арсен-64 | rowspan=2 |64As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 31 | rowspan=2 |63,95756(22)# | rowspan=2 |69,0(14) мс | β+ | 64Ge | rowspan=2 |0+# | rowspan=2 | |- | β+, p? | 63Ga |-id=Арсен-65 | rowspan=2 |65As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 32 | rowspan=2 |64,949611(91) | rowspan=2 |130,3(6) мс | β+ | 65Ge | rowspan=2 |3/2−# | rowspan=2 | |- | β+, p? | 64Ga |-id=Арсен-66 | 66As | style="text-align:right" | 33 | style="text-align:right" | 33 | 65,9441488(61) | 95,77(23) мс | β+ | 66Ge | 0+ | |-id=Арсен-66m1 | style="text-indent:1em" | 66m1As | colspan="3" style="text-indent:2em" | 1356,63(17) keV | 1,14(4) μс | IT | 66As | 5+ | |-id=Арсен-66m2 | style="text-indent:1em" | 66m2As | colspan="3" style="text-indent:2em" | 3023,(3) keV | 7,98(26) μс | IT | 66As | 9+ | |-id=Арсен-67 | 67As | style="text-align:right" | 33 | style="text-align:right" | 34 | 66,93925111(48) | 42,5(12) с | β+ | 67Ge | (5/2−) | |-id=Арсен-68 | 68As | style="text-align:right" | 33 | style="text-align:right" | 35 | 67,9367741(20) | 151,6(8) с | β+ | 68Ge | 3+ | |-id=Арсен-68m | style="text-indent:1em" | 68mAs | colspan="3" style="text-indent:2em" | 425,1(2) keV | 111(20) нс | IT | 68As | 1+ | |-id=Арсен-69 | 69As | style="text-align:right" | 33 | style="text-align:right" | 36 | 68,932246(34) | 15,2(2) мин | β+ | 69Ge | 5/2− | |-id=Арсен-70 | 70As | style="text-align:right" | 33 | style="text-align:right" | 37 | 69,9309346(15) | 52,6(3) мин | β+ | 70Ge | 4+ | |-id=Арсен-70m | style="text-indent:1em" | 70mAs | colspan="3" style="text-indent:2em" | 32,046(23) keV | 96(3) μс | IT | 70As | 2+ | |-id=Арсен-71 | 71As | style="text-align:right" | 33 | style="text-align:right" | 38 | 70,9271136(45) | 65,30(7) ч | β+ | 71Ge | 5/2− | |-id=Арсен-72 | 72As | style="text-align:right" | 33 | style="text-align:right" | 39 | 71,9267523(44) | 26,0(1) ч | β+ | 72Ge | 2− | |-id=Арсен-73 | 73As | style="text-align:right" | 33 | style="text-align:right" | 40 | 72,9238291(41) | 80,30(6) д | EC | 73Ge | 3/2− | |-id=Арсен-73m | style="text-indent:1em" | 73mAs | colspan="3" style="text-indent:2em" | 427,902(21) keV | 5,7(2) μс | IT | 73As | 9/2+ | |-id=Арсен-74 | rowspan=2|74As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 41 | rowspan=2|73,9239286(18) | rowspan=2|17,77(2) д | β+ (66%) | 74Ge | rowspan=2|2− | rowspan=2| |- | β− (34%) | 74Se |-id=Арсен-75 | 75As | style="text-align:right" | 33 | style="text-align:right" | 42 | 74,92159456(95) | colspan=3 align=center|Стабилен | 3/2− | 1,0000 |-id=Арсен-75m | style="text-indent:1em" | 75mAs | colspan="3" style="text-indent:2em" | 303,9243(8) keV | 17,62(23) мс | IT | 75As | 9/2+ | |-id=Арсен-76 | 76As | style="text-align:right" | 33 | style="text-align:right" | 43 | 75,92239201(95) | 1,0933(38) д | β− | 76Se | 2− | |-id=Арсен-76m | style="text-indent:1em" | 76mAs | colspan="3" style="text-indent:2em" | 44,425(1) keV | 1,84(6) μс | IT | 76As | (1)+ | |-id=Арсен-77 | 77As | style="text-align:right" | 33 | style="text-align:right" | 44 | 76,9206476(18) | 38,79(5) ч | β− | 77Se | 3/2− | |-id=Арсен-77m | style="text-indent:1em" | 77mAs | colspan="3" style="text-indent:2em" | 475,48(4) keV | 114,0(25) μс | IT | 77As | 9/2+ | |-id=Арсен-78 | 78As | style="text-align:right" | 33 | style="text-align:right" | 45 | 77,921828(10) | 90,7(2) мин | β− | 78Se | 2− | |-id=Арсен-79 | 79As | style="text-align:right" | 33 | style="text-align:right" | 46 | 78,9209484(57) | 9,01(15) мин | β− | 79Se | 3/2− | |-id=Арсен-79m | style="text-indent:1em" | 79mAs | colspan="3" style="text-indent:2em" | 772,81(6) keV | 1,21(1) μс | IT | 79As | (9/2)+ | |-id=Арсен-80 | 80As | style="text-align:right" | 33 | style="text-align:right" | 47 | 79,9224744(36) | 15,2(2) с | β− | 80Se | 1+ | |-id=Арсен-81 | 81As | style="text-align:right" | 33 | style="text-align:right" | 48 | 80,9221323(28) | 33,3(8) с | β− | 81Se | 3/2− | |-id=Арсен-82 | 82As | style="text-align:right" | 33 | style="text-align:right" | 49 | 81,9247387(40) | 19,1(5) с | β− | 82Se | (2−) | |-id=Арсен-82m | style="text-indent:1em" | 82mAs | colspan="3" style="text-indent:2em" | 131,6(5) keV | 13,6(4) с | β− | 82Se | (5-) | |-id=Арсен-83 | 83As | style="text-align:right" | 33 | style="text-align:right" | 50 | 82,9252069(30) | 13,4(4) с | β− | 83Se | 5/2−# | |-id=Арсен-84 | rowspan=2|84As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 51 | rowspan=2|83,9293033(34) | rowspan=2|3,16(58) с | β− (99,72%) | 84Se | rowspan=2|(2−) | rowspan=2| |- | β−, n (,28%) | 83Se |-id=Арсен-85 | rowspan=2|85As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 52 | rowspan=2|84,9321637(33) | rowspan=2|2,022(7) с | β−, n (62,6%) | 84Se | rowspan=2|(5/2−) | rowspan=2| |- | β− (37,4%) | 85Se |-id=Арсен-86 | rowspan=3|86As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 53 | rowspan=3|85,9367015(37) | rowspan=3|945(8) мс | β− (64,5%) | 86Se | rowspan=3|(1−,2−) | rowspan=3| |- | β−, n (35,5%) | 85Se |- | β−, 2n? | 84Se |-id=Арсен-87 | rowspan=3|87As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 54 | rowspan=3|86,9402917(32) | rowspan=3|492(25) мс | β− (84,6%) | 87Se | rowspan=3|(5/2−,3/2−) | rowspan=3| |- | β−, n (15,4%) | 86Se |- | β−, 2n? | 85Se |-id=Арсен-88 | rowspan=2|88As | rowspan=2 style="text-align:right" | 33 | rowspan=2 style="text-align:right" | 55 | rowspan=2|87,94584(22)# | rowspan=2|270(150) мс | β− | 88Se | rowspan=2| | rowspan=2| |- | β−, n? | 87Se |-id=Арсен-89 | rowspan=3|89As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 56 | rowspan=3|88,95005(32)# | rowspan=3|220# мс [>150 нс] | β−? | 89Se | rowspan=3|5/2−# | rowspan=3| |- | β−, n? | 88Se |- | β−, 2n? | 87Se |-id=Арсен-90 | rowspan=3|90As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 57 | rowspan=3|89,95600(43)# | rowspan=3|70# мс [>300 нс] | β−? | 90Se | rowspan=3| | rowspan=3| |- | β−, n? | 89Se |- | β−, 2n? | 88Se |-id=Арсен-90m | style="text-indent:1em" | 90mAs | colspan="3" style="text-indent:2em" | 124,5(5) keV | 220(100) нс | IT | 90As

|-id=Арсен-91 | rowspan=3|91As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 58 | rowspan=3|90,96082(43)# | rowspan=3|100# мс [>300 нс] | β−? | 91Se | rowspan=3|5/2−# | rowspan=3| |- | β−, n? | 90Se |- | β−, 2n? | 89Se |-id=Арсен-92 | rowspan=3|92As | rowspan=3 style="text-align:right" | 33 | rowspan=3 style="text-align:right" | 59 | rowspan=3|91,96739(54)# | rowspan=3|45# мс [>300 нс] | β−? | 92Se | rowspan=3| | rowspan=3| |- | β−, n? | 91Se |- | β−, 2n? | 90Se |-id=Арсен-93 | 93As | style="text-align:right" | 33 | style="text-align:right" | 60

|-id=Арсен-94 | 94As | style="text-align:right" | 33 | style="text-align:right" | 61

|-id=Арсен-95 | 95As | style="text-align:right" | 33 | style="text-align:right" | 62

Наводи

Isotope masses from:

Half-life, spin, and isomer data selected from the following sources.

A.Shore, A. Fritsch, M. Heim, A. Schuh, M. Thoennessen. Discovery of the Arsenic Isotopes. arXiv:0902.4361.

Арсен Категорија:Арсен Категорија:Изотопи на арсенот