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Periodic Table of Elements

Pb - Lead

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Pb178		96	Syn	0+
Pb179		97	Syn
Pb180		98	Syn	0+
Pb181	180.997	99	Syn	13/2+	45ms	α	Hg177	<100	7.379
					45ms	ε	Tl181	~2	9.300
Pb182	181.9927	100	Syn	0+	55ms	α	Hg178	<=100	7.076
Pb183	182.992	101	Syn	1/2-	300ms	α	Hg179	~94	7.030
					300ms	ε	Tl183	~6	8.700
Pb184	183.988	102	Syn	0+	0.55s	α	Hg180		6.775
					0.55s	ε	Tl184		6.000
Pb185	184.988	103	Syn		4.1s	α	Hg181	<=100	6.680
Pb186	185.984	104	Syn	0+	4.83s	α	Hg182	<100	6.471
Pb187	186.984	105	Syn	13/2+	18.3s	ε	Tl187	>90	7.200
					18.3s	α	Hg183	<10	6.395
meta state 0.000MeV			Syn		15.2s	α	Hg183		6.395
					15.2s	ε	Tl187		7.200
Pb188	187.981	106	Syn	0+	24s	ε	Tl188	78	4.800
					24s	α	Hg184	22	6.111
Pb189	188.981	107	Syn		51s	ε	Tl189	>99	6.700
					51s	α	Hg185	~0.4	5.850
Pb190	189.978	108	Syn	0+	1.2m	ε	Tl190	99.1	4.100
					1.2m	α	Hg186	0.9	5.698
Pb191	190.978	109	Syn	3/2-	1.33m	ε	Tl191	99.99	5.900
					1.33m	α	Hg187	0.01	5.410
meta state 0.138MeV			Syn	13/2+	2.18m	α	Hg187	~0.02	5.548
					2.18m	ε	Tl191		6.038
Pb192	191.976	110	Syn	0+	3.5m	ε	Tl192	99.99	3.400
					3.5m	α	Hg188	0.0057	5.221
Pb193	192.976	111	Syn	3/2-	~2m	ε	Tl193		5.200
meta state 0.000MeV			Syn	13/2+	5.8m
Pb194	193.974	112	Syn	0+	12m	α	Hg190	7.3E^-6	4.738
					12m	ε	Tl194		2.700
Pb195	194.974	113	Syn	3/2-	~15m	ε	Tl195		4.500
meta state 0.201MeV			Syn	13/2+	15m	ε	Tl195		4.701
Pb196	195.973	114	Syn	0+	37m	ε	Tl196	~100	2.050
					37m	α	Hg192		4.200
Pb197	196.973	115	Syn	3/2-	8m	ε	Tl197		3.580
meta state 0.319MeV			Syn	13/2+	43m	ε	Tl197	81	3.899
					43m	IT		19	0.319
Pb198	197.972	116	Syn	0+	2.4h	ε	Tl198		1.410
Pb199	198.9729	117	Syn	3/2-	90m	ε	Tl199		2.880
meta state 0.425MeV			Syn	13/2+	12.2m	IT		93	0.425
					12.2m	ε	Tl199	7	3.305
Pb200	199.9718	118	Syn	0+	21.5h	ε	Tl200		0.811
Pb201	200.9728	119	Syn	5/2-	9.33h	ε	Tl201		1.900
meta state 0.629MeV			Syn	13/2+	61s	IT	Pb201	>99	0.629
					61s	ε	Tl201	<1	2.529
Pb202	201.9721	120	Syn	0+	52500y	α	Hg198	<1	2.598
					52500y	ε	Tl202		0.050
meta state 2.169MeV			Syn	9-	3.53h	IT		90.5	2.170
					3.53h	ε	Tl202	9.5	2.220
Pb203	202.9734	121	Syn	5/2-	51.873h	ε	Tl203		0.975
meta state 0.825MeV			Syn	13/2+	6.3s	IT			0.825
meta state 2.949MeV			Syn	29/2-	0.48s	IT			2.949
Pb204	203.973	122	1.4	0+	>1.4E¹⁷y	α	Hg200
meta state 2.186MeV			Syn	9-	67.2m	IT			2.186
Pb205	204.9745	123	Syn	5/2-	15300000y	ε	Tl205		0.051
meta state 1.014MeV			Syn	13/2+	5.54ms	IT			1.014
Pb206	205.9745	124	24.1	0+	Stable
Pb207	206.9759	125	22.1	1/2-	Stable
meta state 1.633MeV			Syn	13/2+	0.805s	IT			1.633
Pb208	207.9766	126	52.4	0+	Stable
Pb209	208.9811	127	Syn	9/2+	3.253h	β^-	Bi209		0.644
Pb210	209.9842	128	Syn	0+	22.3y	α	Hg206	1.9E^-6	3.792
					22.3y	β^-	Bi210		0.064
Pb211	210.9887	129	Syn	9/2+	36.1m	β^-	Bi211		1.373
Pb212	211.9919	130	Syn	0+	10.64h	β^-	Bi212		0.574
Pb213	212.997	131	Syn	9/2+	10.2m	β^-	Bi213		2.070
Pb214	213.9998	132	Syn	0+	26.8m	β^-	Bi214		1.024
Pb215		133	Syn	5/2+	36s	β^-

Nuclide	Potential Parent Nuclides
Pb178	None known
Pb179	None known
Pb180	None known
Pb181	None known
Pb182	None known
Pb183	None known
Pb184	None known
Pb185	None known
Pb186	Po190 (Syn)
Pb187	Po191 (Syn)
meta state 0.000MeV	None known
Pb188	Bi188 (Syn) Po192 (Syn)
Pb189	Bi189 (Syn) Bi189m (Syn) Po193 (Syn)
Pb190	Bi190m (Syn) Po194 (Syn)
Pb191	Bi191 (Syn) Bi191m (Syn) Po195 (Syn) Po195m (Syn)
meta state 0.138MeV	None known
Pb192	Bi192 (Syn) Bi192m (Syn) Po196 (Syn)
Pb193	Bi193 (Syn) Bi193m (Syn) Po197 (Syn) Po197m (Syn)
meta state 0.000MeV	None known
Pb194	Bi194 (Syn) Bi194m (Syn) Bi194m1 (Syn) Po198 (Syn)
Pb195	Bi195 (Syn) Bi195m (Syn) Po199 (Syn) Po199m (Syn)
meta state 0.201MeV	None known
Pb196	Bi196 (Syn) Bi196m1 (Syn) Po200 (Syn)
Pb197	Bi197 (Syn) Bi197m (Syn) Po201 (Syn) Po201m (Syn)
meta state 0.319MeV	None known
Pb198	Bi198 (Syn) Bi198m (Syn) Po202 (Syn)
Pb199	Bi199 (Syn) Bi199m (Syn) Po203 (Syn) Po203m (Syn)
meta state 0.425MeV	None known
Pb200	Bi200 (Syn) Bi200m (Syn) Po204 (Syn)
Pb201	Bi201 (Syn) Bi201m (Syn) Pb201m (Syn) Po205 (Syn)
meta state 0.629MeV	None known
Pb202	Bi202 (Syn) Po206 (Syn)
meta state 2.169MeV	None known
Pb203	Bi203 (Syn) Po207 (Syn)
meta state 0.825MeV	None known
meta state 2.949MeV	None known
Pb204	Bi204 (Syn) Po208 (Syn) Tl204 (Syn)
meta state 2.186MeV	None known
Pb205	Bi205 (Syn) Po209 (Natural)
meta state 1.014MeV	None known
Pb206	Bi206 (Syn) Po210 (Syn) Tl206 (Syn)
Pb207	Bi207 (Syn) Po211 (Syn) Po211m (Syn) Tl207 (Syn)
meta state 1.633MeV	None known
Pb208	Bi208 (Syn) Bi212 (Syn) Tl208 (Syn)
Pb209	Po213 (Syn) Tl209 (Syn) Tl210 (Syn)
Pb210	Po214 (Syn) Po214m (Syn) Tl210 (Syn)
Pb211	Po215 (Syn)
Pb212	Po216 (Syn)
Pb213	None known
Pb214	Po218 (Syn)
Pb215	None known
Key: NN = Number of Neutrons Abun % = Natural Abundance (as a percentage) Syn = Synthetic Nuclide (does not occur in nature) DM = Decay Mode α = Alpha emission β^- = Beta emission β^- β^- = Double beta decay β⁺ = Positron emission ε = Electron Capture IT = Isomeric Transition N = Neutron emission P = Proton emission SF = Spontaneous Fission DT = Decays To BR % = Branch Ratio (as a percentage)

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Periodic Table of Elements

Pb - Lead

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