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Periodic Table of Elements

Ge - Germanium

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Ge58	57.991	26	Syn	0+
Ge59	58.982	27	Syn
Ge60	59.97	28	Syn	0+
Ge61	60.964	29	Syn	3/2-	40ms	ε + P	Zn60	~80	13.200
					40ms	ε	Ga61		13.600
Ge62	61.955	30	Syn	0+
meta state 0.000MeV			Syn	0+	0.11s	ε	Ga62		9.750
Ge63	62.95	31	Syn		95ms	ε	Ga63		9.780
Ge64	63.942	32	Syn	0+	63.7s	ε	Ga64		4.410
Ge65	64.939	33	Syn	3/2-	30.9s	ε	Ga65		6.240
Ge66	65.9338	34	Syn	0+	2.26h	ε	Ga66		2.100
Ge67	66.9327	35	Syn	1/2-	18.9m	ε	Ga67		4.223
Ge68	67.9281	36	Syn	0+	270.8d	ε	Ga68		0.106
Ge69	68.928	37	Syn	5/2-	39.05h	ε	Ga69		2.227
meta state 0.086MeV			Syn	1/2-	5.1us	IT			0.087
meta state 0.397MeV			Syn	9/2+	2.81us	IT			0.398
Ge70	69.9243	38	21.23	0+	Stable
Ge71	70.925	39	Syn	1/2-	11.43d	ε	Ga71		0.229
meta state 0.198MeV			Syn	9/2+	20.4ms	IT			0.198
Ge72	71.9221	40	27.66	0+	Stable
Ge73	72.9235	41	7.73	9/2+	Stable
meta state 0.067MeV			Syn	1/2-	0.499s	IT			0.067
Ge74	73.9212	42	35.94	0+	Stable
Ge75	74.9229	43	Syn	1/2-	82.78m	β^-	As75		1.176
meta state 0.139MeV			Syn	7/2+	47.7s	IT		99.97	0.140
					47.7s	β^-	As75	0.03	1.316
Ge76	75.9214	44	Syn	0+	Stable
Ge77	76.9236	45	Syn	7/2+	11.3h	β^-	As77		2.702
meta state 0.159MeV			Syn	1/2-	52.9s	β^-	As77	81	2.862
					52.9s	IT		19	0.160
Ge78	77.9229	46	7.44	0+	88m	β^-	As78		0.954
Ge79	78.9254	47	Syn	1/2-	18.98s	β^-	As79		4.150
meta state 0.186MeV			Syn	7/2+	39s	β^-	As79	96	4.336
					39s	IT		4	0.186
Ge80	79.9254	48	Syn	0+	29.5s	β^-	As80		2.670
Ge81	80.929	49	Syn	9/2+	7.6s	β^-	As81		6.230
meta state 0.679MeV			Syn	1/2+	7.6s	β^-	As81		6.909
Ge82	81.93	50	Syn	0+	4.6s	β^-	As82		4.700
Ge83	82.935	51	Syn	5/2+	1.85s	β^-	As83		8.900
Ge84	83.937	52	Syn	0+	947ms	β^- + N	As83	10.8	3.400
					947ms	β^-	As84		7.700
Ge85	84.943	53	Syn		535ms	β^- + N	As84	14	4.600
					535ms	β^-	As85		10.100
Ge86	85.946	54	Syn	0+	>150ns
Ge87		55	Syn	5/2+		β^-
Ge88		56	Syn	0+		β^-
Ge89		57	Syn	1/2+		β^-

Nuclide	Potential Parent Nuclides
Ge58	None known
Ge59	None known
Ge60	None known
Ge61	None known
Ge62	None known
meta state 0.000MeV	None known
Ge63	None known
Ge64	None known
Ge65	As65 (Syn)
Ge66	As66 (Syn) Se67 (Syn)
Ge67	As67 (Syn)
Ge68	As68 (Syn) Se69 (Syn)
Ge69	As69 (Syn)
meta state 0.086MeV	None known
meta state 0.397MeV	None known
Ge70	As70 (Syn) Ga70 (Syn)
Ge71	As71 (Syn)
meta state 0.198MeV	None known
Ge72	As72 (Syn) Ga72 (Syn)
Ge73	As73 (Syn) Ga73 (Syn)
meta state 0.067MeV	None known
Ge74	As74 (Syn) Ga74 (Syn) Ga74m (Syn)
Ge75	Ga75 (Syn)
meta state 0.139MeV	None known
Ge76	Ga76 (Syn)
Ge77	Ga77 (Syn)
meta state 0.159MeV	None known
Ge78	Ga78 (Syn) Ga79 (Syn)
Ge79	Ga79 (Syn) Ga80 (Syn)
meta state 0.186MeV	None known
Ge80	Ga80 (Syn) Ga81 (Syn)
Ge81	Ga81 (Syn) Ga82 (Syn)
meta state 0.679MeV	None known
Ge82	Ga82 (Syn) Ga83 (Syn)
Ge83	Ga83 (Syn) Ga84 (Syn)
Ge84	Ga84 (Syn)
Ge85	None known
Ge86	None known
Ge87	None known
Ge88	None known
Ge89	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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References

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Ge - Germanium

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