금 동위 원소

금의 동위 원소는 다음과 같다.

동위 원소 목록

핵종 기호	Z(p)	N(n)	동위 원소 질량 (u)	반감기	붕괴 방식[1][n 1]	붕괴 생성물[n 2]	핵 스핀	전형적 동위 원소 구성비 (몰 분율)	자연적 구성비 변동 범위 (몰 분율)
	들뜬 에너지
^169Au	79	90	168.99808(32)#	150# µs			1/2+#
^170Au	79	91	169.99612(22)#	310(50) µs [286(+50-40) µs]			(2-)
^170mAu	275(14) keV			630(60) µs [0.62(+6-5) ms]			(9+)
^171Au	79	92	170.991879(28)	30(5) µs	p	^170Pt	(1/2+)
					α (드묾)	^167Ir
^171mAu	250(16) keV			1.014(19) ms	α (54%)	^167Ir	11/2-
					p (46%)	^170Pt
^172Au	79	93	171.99004(17)#	4.7(11) ms	α (98%)	^168Ir	high
					p (2%)	^171Pt
^173Au	79	94	172.986237(28)	25(1) ms	α	^169Ir	(1/2+)
					β^+ (드묾)	^173Pt
^173mAu	214(23) keV			14.0(9) ms	α (96%)	^169Ir	(11/2-)
					β^+ (4%)	^173Pt
^174Au	79	95	173.98476(11)#	139(3) ms	α	^170Ir	low
					β^+ (드묾)	^174Pt
^174mAu	360(70)# keV			171(29) ms			high
^175Au	79	96	174.98127(5)	100# ms	α (82%)	^171Ir	1/2+#
					β^+ (18%)	^175Pt
^175mAu	200(30)# keV			156(3) ms	α	^171Ir	11/2-#
					β^+	^175Pt
^176Au	79	97	175.98010(11)#	1.08(17) s [0.84(+17-14) s]	α (60%)	^172Ir	(5-)
					β^+ (40%)	^176Pt
^176mAu	150(100)# keV			860(160) ms			(7+)
^177Au	79	98	176.976865(14)	1.462(32) s	β^+ (60%)	^177Pt	(1/2+,3/2+)
					α (40%)	^173Ir
^177mAu	216(26) keV			1.180(12) s			11/2-
^178Au	79	99	177.97603(6)	2.6(5) s	β^+ (60%)	^178Pt
					α (40%)	^174Ir
^179Au	79	100	178.973213(18)	7.1(3) s	β^+ (78%)	^179Pt	5/2-#
					α (22%)	^175Ir
^179mAu	99(16) keV						(11/2-)
^180Au	79	101	179.972521(23)	8.1(3) s	β^+ (98.2%)	^180Pt
					α (1.8%)	^176Ir
^181Au	79	102	180.970079(21)	13.7(14) s	β^+ (97.3%)	^181Pt	(3/2-)
					α (2.7%)	^177Ir
^182Au	79	103	181.969618(22)	15.5(4) s	β^+ (99.87%)	^182Pt	(2+)
					α (0.13%)	^178Ir
^183Au	79	104	182.967593(11)	42.8(10) s	β^+ (99.2%)	^183Pt	(5/2)-
					α (0.8%)	^179Ir
^183m1Au	73.3(4) keV			>1 µs			(1/2)+
^183m2Au	230.6(6) keV			<1 µs			(11/2)-
^184Au	79	105	183.967452(24)	20.6(9) s	β^+	^184Pt	5+
^184mAu	68.46(1) keV			47.6(14) s	β^+ (70%)	^184Pt	2+
					IT (30%)	^184Au
					α (0.013%)	^180Ir
^185Au	79	106	184.965789(28)	4.25(6) min	β^+ (99.74%)	^185Pt	5/2-
					α (0.26%)	^181Ir
^185mAu	100(100)# keV			6.8(3) min			1/2+#
^186Au	79	107	185.965953(23)	10.7(5) min	β^+ (99.9992%)	^186Pt	3-
					α (8×10^−4%)	^182Ir
^186mAu	227.77(7) keV			110(10) ns			2+
^187Au	79	108	186.964568(27)	8.4(3) min	β^+ (99.997%)	^187Pt	1/2+
					α (0.003%)	^183Ir
^187mAu	120.51(16) keV			2.3(1) s	IT	^187Au	9/2-
^188Au	79	109	187.965324(22)	8.84(6) min	β^+	^188Pt	1(-)
^189Au	79	110	188.963948(22)	28.7(3) min	β^+ (99.9997%)	^189Pt	1/2+
					α (3×10^−4%)	^185Ir
^189m1Au	247.23(16) keV			4.59(11) min	β^+	^189Pt	11/2-
					IT (드묾)	^189Au
^189m2Au	325.11(16) keV			190(15) ns			9/2-
^189m3Au	2554.7(12) keV			242(10) ns			31/2+
^190Au	79	111	189.964700(17)	42.8(10) min	β^+	^190Pt	1-
					α (10^−6%)	^186Ir
^190mAu	200(150)# keV			125(20) ms	IT	^190Au	11-#
					β^+ (드묾)	^190Pt
^191Au	79	112	190.96370(4)	3.18(8) h	β^+	^191Pt	3/2+
^191m1Au	266.2(5) keV			920(110) ms	IT	^191Au	(11/2-)
^191m2Au	2490(1) keV			>400 ns
^192Au	79	113	191.964813(17)	4.94(9) h	β^+	^192Pt	1-
^192m1Au	135.41(25) keV			29 ms	IT	^192Au	(5#)+
^192m2Au	431.6(5) keV			160(20) ms			(11-)
^193Au	79	114	192.964150(11)	17.65(15) h	β^+ (100%)	^193Pt	3/2+
					α (10^−5%)	^189Ir
^193m1Au	290.19(3) keV			3.9(3) s	IT (99.97%)	^193Au	11/2-
					β^+ (0.03%)	^193Pt
^193m2Au	2486.5(6) keV			150(50) ns			(31/2+)
^194Au	79	115	193.965365(11)	38.02(10) h	β^+	^194Pt	1-
^194m1Au	107.4(5) keV			600(8) ms	IT	^194Au	(5+)
^194m2Au	475.8(6) keV			420(10) ms			(11-)
^195Au	79	116	194.9650346(14)	186.098(47) d	ε	^195Pt	3/2+
^195mAu	318.58(4) keV			30.5(2) s	IT	^195Au	11/2-
^196Au	79	117	195.966570(3)	6.1669(6) d	β^+ (93.05%)	^196Pt	2-
					β^- (6.95%)	^196Hg
^196m1Au	84.660(20) keV			8.1(2) s	IT	^196Au	5+
^196m2Au	595.66(4) keV			9.6(1) h			12-
^197Au[n 3]	79	118	196.9665687(6)	관측상 안정[n 4]			3/2+	1.0000
^197mAu	409.15(8) keV			7.73(6) s	IT	^197Au	11/2-
^198Au	79	119	197.9682423(6)	2.69517(21) d	β^-	^198Hg	2-
^198m1Au	312.2200(20) keV			124(4) ns			5+
^198m2Au	811.7(15) keV			2.27(2) d	IT	^198Au	(12-)
^199Au	79	120	198.9687652(6)	3.139(7) d	β^-	^199Hg	3/2+
^199mAu	548.9368(21) keV			440(30) µs			(11/2)-
^200Au	79	121	199.97073(5)	48.4(3) min	β^-	^200Hg	1(-)
^200mAu	970(70) keV			18.7(5) h	β^- (82%)	^200Hg	12-
					IT (18%)	^200Au
^201Au	79	122	200.971657(3)	26(1) min	β^-	^201Hg	3/2+
^202Au	79	123	201.97381(18)	28.8(19) s	β^-	^202Hg	(1-)
^203Au	79	124	202.975155(3)	53(2) s	β^-	^203Hg	3/2+
^204Au	79	125	203.97772(22)#	39.8(9) s	β^-	^204Hg	(2-)
^205Au	79	126	204.97987(32)#	31(2) s	β^-	^205Hg	3/2+

각주

1. 약자:
   ε: 전자 포획
   IT: 이성질핵 전이
2. 굵은 글꼴은 안정 동위 원소, 굵은 기울임꼴은 감기가 우주의 나이보다 긴 동위 원소(거의 안정적)
3. 핵무기 제조에 이용될 가능성이 있는 핵종이다.
4. ¹⁹³Ir으로 붕괴할 것으로 추정된다.

같이 보기

1. http://www.nucleonica.net/unc.aspx