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Periodic Table of Elements

Hg - Mercury

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Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Hg174		94	Syn	0+
Hg175	174.991	95	Syn		20ms	α	Pt171		7.040
Hg176	175.9874	96	Syn	0+	18ms	α	Pt172	~100	6.925
Hg177	176.986	97	Syn		0.13s	α	Pt173	85	6.740
					0.13s	ε	Au177	15	8.500
Hg178	177.9825	98	Syn	0+	266ms	α	Pt174	~70	6.578
					266ms	ε	Au178	~30	6.100
Hg179	178.982	99	Syn		1.09s	α	Pt175	~53	6.431
					1.09s	ε	Au179	~47	8.000
					1.09s	ε + P	Pt178	~0.15	7.700
Hg180	179.978	100	Syn	0+	2.8s	ε	Au180	51	5.500
					2.8s	α	Pt176	49	6.258
Hg181	180.978	101	Syn	1/2-	3.6s
Hg182	181.975	102	Syn	0+	10.83s	ε	Au182	84.8	4.800
					10.83s	α	Pt178	15.2	5.998
Hg183	182.975	103	Syn	1/2-	9.4s	ε	Au183	74.5	6.500
					9.4s	α	Pt179	25.5	6.039
					9.4s	ε + P	Pt182	0.00056	5.100
Hg184	183.972	104	Syn	0+	30.9s	ε	Au184	98.89	4.100
					30.9s	α	Pt180	1.11	5.662
Hg185	184.972	105	Syn	1/2-	49.1s	ε	Au185	94	5.800
					49.1s	α	Pt181	6	5.778
meta state 0.099MeV			Syn	13/2+	21.6s	IT		54	0.099
					21.6s	ε	Au185	46	5.899
					21.6s	α	Pt181	~0.03	5.877
Hg186	185.969	106	Syn	0+	1.38m	ε	Au186	99.98	3.300
					1.38m	α	Pt182	0.02	5.206
Hg187	186.97	107	Syn	13/2+	2.4m	α	Pt183	>0.0001	5.080
					2.4m	ε	Au187		4.900
meta state 0.000MeV			Syn	3/2-	1.9m	α	Pt183	>0.0002	5.080
					1.9m	ε	Au187		4.900
Hg188	187.968	108	Syn	0+	3.25m	α	Pt184	0.00003	4.710
					3.25m	ε	Au188		2.300
Hg189	188.968	109	Syn	3/2-	7.6m	α	Pt185	<3.0E^-5	4.400
					7.6m	ε	Au189		3.950
meta state 0.000MeV			Syn	13/2+	8.6m	α	Pt185	<3.0E^-5	4.400
					8.6m	ε	Au189		3.950
Hg190	189.966	110	Syn	0+	20m	α	Pt186	<5.0E^-5	3.950
					20m	ε	Au190		1.470
Hg191	190.9671	111	Syn	3/2-	49m	ε	Au191		3.180
meta state 0.000MeV			Syn	13/2+	50.8m	ε	Au191		3.180
Hg192	191.966	112	Syn	0+	4.85h	ε	Au192		0.700
Hg193	192.9666	113	Syn	3/2-	3.8h	ε	Au193		2.340
meta state 0.140MeV			Syn	13/2+	11.8h	ε	Au193	92.9	2.481
					11.8h	IT		7.1	0.141
Hg194	193.9654	114	Syn	0+	444y	ε	Au194		0.040
Hg195	194.9666	115	Syn	1/2-	9.9h	ε	Au195		1.510
meta state 0.176MeV			Syn	13/2+	41.6h	IT	Au195m	54.2	0.176
					41.6h	ε	Au195	45.8	1.686
Hg196	195.9658	116	0.15	0+	Stable
Hg197	196.9672	117	Syn	1/2-	64.14h	ε	Au197		0.600
meta state 0.298MeV			Syn	13/2+	23.8h	IT		91.4	0.299
					23.8h	ε	Au197	8.6	0.899
Hg198	197.9668	118	9.97	0+	Stable
Hg199	198.9683	119	16.87	1/2-	Stable
meta state 0.532MeV			Syn	13/2+	42.6m	IT			0.532
Hg200	199.9683	120	23.1	0+	Stable
Hg201	200.9703	121	13.18	3/2-	Stable
Hg202	201.9706	122	29.86	0+	Stable
Hg203	202.9729	123	Syn	5/2-	46.612d	β^-	Tl203		0.492
Hg204	202.9735	124	6.87	0+	Stable
Hg205	204.9761	125	Syn	1/2-	5.2m	β^-	Tl205		1.531
Hg206	205.9775	126	Syn	0+	8.15m	β^-	Tl206		1.308
Hg207	206.983	127	Syn	9/2+	2.9m	β^-	Tl207		4.780
Hg208		128	Syn	0+	42m

Nuclide	Potential Parent Nuclides
Hg174	None known
Hg175	None known
Hg176	None known
Hg177	Pb181 (Syn)
Hg178	Pb182 (Syn)
Hg179	Pb183 (Syn)
Hg180	Pb184 (Syn) Tl180 (Syn)
Hg181	Pb185 (Syn) Tl181 (Syn)
Hg182	Pb186 (Syn) Tl182 (Syn)
Hg183	Pb187 (Syn) Pb187m (Syn) Tl183 (Syn)
Hg184	Pb188 (Syn) Tl184 (Syn)
Hg185	Pb189 (Syn) Tl185 (Syn)
meta state 0.099MeV	None known
Hg186	Pb190 (Syn) Tl186 (Syn)
Hg187	Pb191 (Syn) Pb191m (Syn) Tl187 (Syn) Tl187m (Syn)
meta state 0.000MeV	None known
Hg188	Pb192 (Syn) Tl188 (Syn) Tl188m (Syn)
Hg189	Tl189 (Syn) Tl189m (Syn)
meta state 0.000MeV	None known
Hg190	Pb194 (Syn) Tl190 (Syn) Tl190m (Syn)
Hg191	Tl191 (Syn) Tl191m (Syn)
meta state 0.000MeV	None known
Hg192	Pb196 (Syn) Tl192 (Syn) Tl192m (Syn)
Hg193	Tl193 (Syn) Tl193m (Syn)
meta state 0.140MeV	None known
Hg194	Tl194 (Syn) Tl194m (Syn)
Hg195	Tl195 (Syn)
meta state 0.176MeV	None known
Hg196	Au196 (Syn) Tl196 (Syn) Tl196m (Syn)
Hg197	Tl197 (Syn)
meta state 0.298MeV	None known
Hg198	Au198 (Syn) Pb202 (Syn) Tl198 (Syn) Tl198m (Syn)
Hg199	Au199 (Syn) Tl199 (Syn)
meta state 0.532MeV	None known
Hg200	Au200 (Syn) Au200m (Syn) Pb204 (Natural) Tl200 (Syn)
Hg201	Au201 (Syn) Tl201 (Syn)
Hg202	Au202 (Syn) Tl202 (Syn)
Hg203	Au203 (Syn)
Hg204	Au204 (Syn) Tl204 (Syn)
Hg205	None known
Hg206	Pb210 (Syn)
Hg207	None known
Hg208	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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Hg - Mercury

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