Gearmáiniam (Ge)

chemical element with symbol Ge and atomic number 32

Atomic Number	32
Atomic Weight	72.63
Núicléónuimhir	74

Group	14
Period	4
Block	p

prótón	32 p⁺
neodrón	42 n⁰
leictreon	32 e^-

Animated Samhail Bohr of Ge (Gearmáiniam)

Physical Property

Ga Adamhach	125 pm 234 pm
molar volume	13.6 cm³/mol
covalent radius	121 pm 111 pm 114 pm 120 pm
Metallic Radius	124 pm 144 pm
ionic radius	73 pm 39 pm 53 pm
Crystal Radius	87 pm 53 pm 67 pm
Van der Waals radius	210 pm 427 pm 211 pm 244 pm 211 pm 428 pm
dlús	5.3234 g/cm³ 5,600 kg/m³

Chemical Property

fuinneamh

proton affinity
electron affinity	1.232712 eV/particle
ionization energy	7.899435 eV/particle 15.93461 eV/particle 34.0576 eV/particle 45.715 eV/particle 90.5 eV/particle 115.9 eV/particle 144.9 eV/particle 176.4 eV/particle 212.5 eV/particle 252.1 eV/particle 286 eV/particle 326 eV/particle 367 eV/particle 407 eV/particle 527.9 eV/particle 567.29 eV/particle 609.06 eV/particle 662.8 eV/particle 710 eV/particle 744 eV/particle 837.1 eV/particle 880.444 eV/particle 2,180.1 eV/particle 2,304 eV/particle 2,439 eV/particle 2,575 eV/particle 2,737.2 eV/particle 2,881.9 eV/particle 3,074 eV/particle 3,194.293 eV/particle 13,557.4202 eV/particle 14,119.429 eV/particle

enthalpy of vaporization	328 kJ/mol
enthalpy of fusion	36.8 kJ/mol
eantalpacht chaighdeánach an fhoirmithe	372 kJ/mol
leictreon

electron shell	2, 8, 18, 4

Fiúsleictreon	4 ⓘ

cumraíocht leictreon	[Ar] 3d¹⁰ 4s² 4p²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p²

Staid ocsaídiúcháine	-4, -3, -2, -1, 0, 1, 2, 3, 4
Leictridhiúltacht	11.8 eV/particle 0.1895892 2.01
Electrophilicity Index	1.5636638275958255 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	3,106.15 K
Melting Point	1,211.4 K
critical pressure
critical temperature	9,802.15 K
triple point
appearance
dath	Gray #ff1493 #668f8f #668f8f
appearance	grayish-white
Comhéifeacht athraonta
thermodynamic material property
Thermal Conductivity	60.2 W/(m K)
Forbairt theirmeach	0.000006 1/K
molar heat capacity	23.222 J/(mol K)
Specific Heat Capacity	0.32 J/(g⋅K)
Cóimheas saintoilleadh teasa
electrical properties
type	Semiconductor
electrical conductivity	0.002 MS/m
Friotachas	0.0005 Ω*m
Forsheoltacht
Maighnéadas
type	diamagnetic
So-ghabhálacht mhaighnéadach (Mass)	-0.0000000015 m³/Kg
So-ghabhálacht mhaighnéadach (Molar)	-0.000000000109 m³/mol
So-ghabhálacht mhaighnéadach (Volume)	-0.00000798
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	Face Centered Cubic (DIA)
lattice constant	5.66 Å
Lattice Angles	π/2, π/2, π/2
airíonna meicniúla
Cruas	6 MPa
Modal toirte
modal fiartha
modal Young
Cóimheas Poisson
luas forleata fuaime	5,400 m/s
aicmiúchán
Category	Metalloids, Metalloids
CAS Group	IVB
IUPAC Group	IVA
Glawe Number	84
Mendeleev Number	89
Pettifor Number	84
Geochemical Class
Goldschmidt classification	chalcophile

eile

Gas Basicity
polarizability	40 ± 1 a₀
C6 Dispersion Coefficient	354 a₀ 365 a₀
allotrope
Crosghearradh	2.2
Neutron Mass Absorption	0.0011
Uimhir chandamach	3P0
space group	225 (Fm_3m)

Isotopes of Germanium

Stable Isotopes	4
Unstable Isotopes	29
Natural Isotopes	5

⁵⁸Ge

Núicléónuimhir	58
neutron number	26
Mais Adamhach Choibhneasta	57.991863 ± 0.000537 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
2p (2-proton emission)

⁵⁹Ge

Núicléónuimhir	59
neutron number	27
Mais Adamhach Choibhneasta	58.982426 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	13.3 ± 1.7 ms
Guairne	7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2015
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	93%
2p (2-proton emission)	0.2%

⁶⁰Ge

Núicléónuimhir	60
neutron number	28
Mais Adamhach Choibhneasta	59.970445 ± 0.000322 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	21 ± 6 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2005
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	100%
2p (2-proton emission)	14%

⁶¹Ge

Núicléónuimhir	61
neutron number	29
Mais Adamhach Choibhneasta	60.963725 ± 0.000322 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	40.7 ± 0.4 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1987
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	87%

⁶²Ge

Núicléónuimhir	62
neutron number	30
Mais Adamhach Choibhneasta	61.954761 ± 0.00015 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	82.5 ± 1.4 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1991
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)

⁶³Ge

Núicléónuimhir	63
neutron number	31
Mais Adamhach Choibhneasta	62.949628 ± 0.00004 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	153.6 ± 1.1 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1991
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)

⁶⁴Ge

Núicléónuimhir	64
neutron number	32
Mais Adamhach Choibhneasta	63.941689912 ± 0.000004 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	63.7 ± 2.5 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶⁵Ge

Núicléónuimhir	65
neutron number	33
Mais Adamhach Choibhneasta	64.939368136 ± 0.000002323 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	30.9 ± 0.5 s
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1972
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.011%

⁶⁶Ge

Núicléónuimhir	66
neutron number	34
Mais Adamhach Choibhneasta	65.933862124 ± 0.000002577 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.26 ± 0.05 h
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1950
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶⁷Ge

Núicléónuimhir	67
neutron number	35
Mais Adamhach Choibhneasta	66.932716999 ± 0.000004636 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	18.9 ± 0.3 m
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1950
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶⁸Ge

Núicléónuimhir	68
neutron number	36
Mais Adamhach Choibhneasta	67.928095305 ± 0.000002014 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	271.05 ± 0.08 d
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1948
Paireacht	+

decay mode	intensity
ϵ (electron capture)	100%

⁶⁹Ge

Núicléónuimhir	69
neutron number	37
Mais Adamhach Choibhneasta	68.927964467 ± 0.000001414 Da
G-fhachtóir	0.294 ± 0.0028
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	39.05 ± 0.1 h
Guairne	5/2
nuclear quadrupole moment	0.114 ± 0.007
dáta fionnachtana nó tionscnaimh	1938
Paireacht	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁷⁰Ge

Núicléónuimhir	70
neutron number	38
Mais Adamhach Choibhneasta	69.924248542 ± 0.00000088 Da
G-fhachtóir	0
natural abundance	20.52 ± 0.19
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1923
Paireacht	+

⁷¹Ge

Núicléónuimhir	71
neutron number	39
Mais Adamhach Choibhneasta	70.92495212 ± 0.000000874 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11.43 ± 0.03 d
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1941
Paireacht	-

decay mode	intensity
ϵ (electron capture)	100%

⁷²Ge

Núicléónuimhir	72
neutron number	40
Mais Adamhach Choibhneasta	71.922075824 ± 0.000000081 Da
G-fhachtóir	0
natural abundance	27.45 ± 0.15
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1923
Paireacht	+

⁷³Ge

Núicléónuimhir	73
neutron number	41
Mais Adamhach Choibhneasta	72.923458954 ± 0.000000061 Da
G-fhachtóir	-0.19516444444444 ± 0.000011111111111111
natural abundance	7.76 ± 0.08
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	9/2
nuclear quadrupole moment	-0.196 ± 0.001
dáta fionnachtana nó tionscnaimh	1933
Paireacht	+

⁷⁴Ge

Núicléónuimhir	74
neutron number	42
Mais Adamhach Choibhneasta	73.92117776 ± 0.000000013 Da
G-fhachtóir	0
natural abundance	36.52 ± 0.12
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1923
Paireacht	+

⁷⁵Ge

Núicléónuimhir	75
neutron number	43
Mais Adamhach Choibhneasta	74.92285837 ± 0.000000055 Da
G-fhachtóir	1.018 ± 0.01
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	82.78 ± 0.04 m
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1939
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷⁶Ge

Núicléónuimhir	76
neutron number	44
Mais Adamhach Choibhneasta	75.921402725 ± 0.000000019 Da
G-fhachtóir	0
natural abundance	7.75 ± 0.12
Meath radaighníomhach	☢️ radioactive element
leathré	1.88 ± 0.08 Zy
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1933
Paireacht	+

decay mode	intensity
2β⁻ (double β⁻ decay)	100%

⁷⁷Ge

Núicléónuimhir	77
neutron number	45
Mais Adamhach Choibhneasta	76.923549843 ± 0.000000056 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11.211 ± 0.003 h
Guairne	7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1939
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷⁸Ge

Núicléónuimhir	78
neutron number	46
Mais Adamhach Choibhneasta	77.922852911 ± 0.000003795 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	88 ± 1 m
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1953
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷⁹Ge

Núicléónuimhir	79
neutron number	47
Mais Adamhach Choibhneasta	78.925359506 ± 0.000039893 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	18.98 ± 0.03 s
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1970
Paireacht

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸⁰Ge

Núicléónuimhir	80
neutron number	48
Mais Adamhach Choibhneasta	79.925350773 ± 0.000002205 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	29.5 ± 0.4 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸¹Ge

Núicléónuimhir	81
neutron number	49
Mais Adamhach Choibhneasta	80.928832941 ± 0.000002205 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	9 ± 2 s
Guairne	9/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸²Ge

Núicléónuimhir	82
neutron number	50
Mais Adamhach Choibhneasta	81.929774031 ± 0.000002405 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	4.31 ± 0.19 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁸³Ge

Núicléónuimhir	83
neutron number	51
Mais Adamhach Choibhneasta	82.9345391 ± 0.000002604 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.85 ± 0.06 s
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁸⁴Ge

Núicléónuimhir	84
neutron number	52
Mais Adamhach Choibhneasta	83.93757509 ± 0.000003403 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	951 ± 9 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1972
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	10.6%

⁸⁵Ge

Núicléónuimhir	85
neutron number	53
Mais Adamhach Choibhneasta	84.942969658 ± 0.000004003 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	495 ± 5 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1991
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	17.2%
2n (2-neutron emission)

⁸⁶Ge

Núicléónuimhir	86
neutron number	54
Mais Adamhach Choibhneasta	85.946967 ± 0.00047 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	221.6 ± 11 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1994
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	45%

⁸⁷Ge

Núicléónuimhir	87
neutron number	55
Mais Adamhach Choibhneasta	86.953204 ± 0.000322 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	103 ± 4 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁸⁸Ge

Núicléónuimhir	88
neutron number	56
Mais Adamhach Choibhneasta	87.957574 ± 0.000429 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	61 ± 6 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁸⁹Ge

Núicléónuimhir	89
neutron number	57
Mais Adamhach Choibhneasta	88.96453 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁹⁰Ge

Núicléónuimhir	90
neutron number	58
Mais Adamhach Choibhneasta	89.969436 ± 0.000537 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2010
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

stair

fionnachtaí nó aireagóir	Clemens Winkler
áit ar tháinig air/uirthi	Germany
dáta fionnachtana nó tionscnaimh	1886
Sanasaíocht	Latin: Germania (Germany).
pronunciation	jer-MAY-ni-em (Béarla)

foinse

Abundance
Abundance in Earth's crust	1.5 mg/kg
natural abundance (aigéan)	0.00005 mg/L
natural abundance (corp an duine)
natural abundance (dreigeoideach)	0.0021 %
natural abundance (An Ghrian)	0.00002 %
Abundance in Universe	0.00002 %

Nuclear Screening Constants

1	s	0.7063
2	p	3.9178
2	s	8.6352
3	d	15.7487
3	p	14.9864
3	s	14.2103
4	p	25.2196
4	s	23.9564

Gearmáiniam on ChemicalAid

Art & Architecture Thesaurus ID	300380222
Australian Educational Vocabulary ID	scot/3524
BNCF Thesaurus ID	21205
Bibliothèque nationale de France ID	122010330
Brockhaus Enzyklopädie online ID	germanium
ChEBI ID	30441
ChemSpider ID	4885606
DSSTOX compound identifier	DTXCID5031056
DSSTox substance ID	DTXSID8052483
Den Store Danske ID	germanium
ECHA Substance Infocard ID	100.028.331
Elhuyar ZTH ID	024624
Encyclopædia Universalis ID	germanium
Freebase ID	/m/025rs3d
French Vikidia ID	Germanium
Golden ID	Germanium-98MM
Great Russian Encyclopedia Online ID	2354288
HSDB ID	2118
ID GND	4135644-5
ID Gran Enciclopèdia Catalana	0111877
InChI	InChI=1S/Ge
InChIKey	GNPVGFCGXDBREM-UHFFFAOYSA-N
KBpedia ID	Germanium
MeSH descriptor ID	D005857
NDF-RT ID	N0000176163
NDL Authority ID	00562424
NKCR AUT ID	ph927791
Namuwiki ID	저마늄
National Library of Israel J9U ID	987007565426605171
OmegaWiki Defined Meaning	159569
OpenAlex ID	C550623735
OpenAlex ID	C2909614401
PSH ID	5798
PubChem CID	6326954
RxNorm ID	4784
Store norske leksikon ID	germanium
Treccani ID	germanio
UMLS CUI	C0017479
UNII	00072J7XWS
USGS Thesaurus ID	1463
WordNet 3.1 Synset ID	14662695-n
YSO ID	22858
ZVG number	8270
aitheantóir LoC	sh85054449
uimhir CAS	7440-56-4

Gearmáiniam (Ge)

Physical Property

Chemical Property

eile

Isotopes of Germanium

58Ge

59Ge

60Ge

61Ge

62Ge

63Ge

64Ge

65Ge

66Ge

67Ge

68Ge

69Ge

70Ge

71Ge

72Ge

73Ge

74Ge

75Ge

76Ge

77Ge

78Ge

79Ge

80Ge

81Ge

82Ge

83Ge

84Ge

85Ge

86Ge

87Ge

88Ge

89Ge

90Ge

stair

foinse

Nuclear Screening Constants

⁵⁸Ge

⁵⁹Ge

⁶⁰Ge

⁶¹Ge

⁶²Ge

⁶³Ge

⁶⁴Ge

⁶⁵Ge

⁶⁶Ge

⁶⁷Ge

⁶⁸Ge

⁶⁹Ge

⁷⁰Ge

⁷¹Ge

⁷²Ge

⁷³Ge

⁷⁴Ge

⁷⁵Ge

⁷⁶Ge

⁷⁷Ge

⁷⁸Ge

⁷⁹Ge

⁸⁰Ge

⁸¹Ge

⁸²Ge

⁸³Ge

⁸⁴Ge

⁸⁵Ge

⁸⁶Ge

⁸⁷Ge

⁸⁸Ge

⁸⁹Ge

⁹⁰Ge