Hafnij (Hf)

element with the atomic number of 72

Atomski broj	72
Relativna atomska masa	178.49
Maseni broj	180

Skupina	4
Perioda	6
Blok	d

proton	72 p⁺
neutron	108 n⁰
elektron	72 e^-

Animated Bohrov model atoma of Hf (Hafnij)

Physical Property

Atomski Radijus	155 pm 264 pm
Molni volumen	13,6 cm³/mol
Kovalentni Radijus	152 pm 128 pm 122 pm 175 pm
Metallic Radius	144 pm 159 pm
Ionski radijus	58 pm 71 pm 76 pm 83 pm
Crystal Radius	72 pm 85 pm 90 pm 97 pm
Van der Waals radius	225 pm 223 pm 253 pm 314,1 pm
gustoća	13,3 g/cm³ 12.000 kg/m³

Kemijsko Svojstvo

{ERROR}

energija

proton affinity
Elektronski afinitet	0,014 eV/particle
ionization energy	6,82507 eV/particle 15 eV/particle 23,28 eV/particle 33,37 eV/particle 68,375 eV/particle 98 eV/particle 118 eV/particle 138 eV/particle 157 eV/particle 187 eV/particle 209 eV/particle 230 eV/particle 270 eV/particle 310 eV/particle 334 eV/particle 359 eV/particle 399 eV/particle 440 eV/particle 481 eV/particle 520 eV/particle 560 eV/particle 610 eV/particle 650 eV/particle 690 eV/particle 730 eV/particle 772 eV/particle 1.002 eV/particle 1.047 eV/particle 1.094 eV/particle 1.146 eV/particle 1.195 eV/particle 1.245 eV/particle 1.311 eV/particle 1.362 eV/particle 1.417 eV/particle 1.467 eV/particle 1.669 eV/particle 1.719 eV/particle 1.776 eV/particle 1.827 eV/particle 1.963 eV/particle 2.022 eV/particle 2.159 eV/particle 2.218,9 eV/particle 3.741 eV/particle 3.858 eV/particle 3.984 eV/particle 4.118 eV/particle 4.246 eV/particle 4.372 eV/particle 4.573 eV/particle 4.703 eV/particle 4.846 eV/particle 4.980 eV/particle 5.350 eV/particle 5.468 eV/particle 5.595 eV/particle 5.713 eV/particle 6.149 eV/particle 6.284 eV/particle 6.545 eV/particle 6.674 eV/particle 14.678 eV/particle 14.999 eV/particle 15.351 eV/particle 15.680 eV/particle 17.280 eV/particle 17.680 eV/particle 18.180 eV/particle 18.502,32 eV/particle 74.565,93 eV/particle 76.077,8 eV/particle

Toplina isparivanja	575 kJ/mol
toplina taljenja	25,1 kJ/mol
standard enthalpy of formation	618,4 kJ/mol
elektron

Elektronska ljuska	2, 8, 18, 32, 10, 2

valence electron	2 ⓘ

electron configuration	[Xe] 4f¹⁴ 5d² 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d² 6s²

Oksidacijski broj	-2, 0, 1, 2, 3, 4
Elektronegativnost	6,83 eV/particle 0.229987 1.3
Electrophilicity Index	0,8583981383413326 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter
Vrelište	4.873,15 K
Talište	2.506,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Crna #ff1493 #4dc2ff #4dc2ff
appearance	steel gray
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost	23 W/(m K)
Toplinsko istezanje	0,0000059 1/K
molar heat capacity	25,73 J/(mol K)
Specifični toplinski kapacitet	0,144 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	3,3 MS/m
Električna otpornost i provodnost	0,0000003 Ω*m
Supravodljivost	0,128 K
Magnetizam
type	paramagnetic
Magnetna susceptibilnost (Mass)	0,0000000053 m³/Kg
Magnetna susceptibilnost (Molar)	0,000000000946 m³/mol
Magnetna susceptibilnost (Volume)	0,0000705
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	{ERROR}
lattice constant	3,2 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Tvrdoća	1.700 MPa 5,5 MPa 1.760 MPa
bulk modulus	110 GPa
shear modulus	30 GPa
Youngov modul elastičnosti	78 GPa
Poissonov omjer	0,37
brzina zvuka	3.010 m/s
classification
Kategorija	Aktinoidi, Transition metals
CAS Group	IVA
IUPAC Group	IVB
Glawe Number	50
Mendeleev Number	45
Pettifor Number	50
Geochemical Class	high field strength
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	103 ± 6 a₀
C6 Dispersion Coefficient	1.040 a₀
allotrope
Nuklearni udarni presjek	104
Neutron Mass Absorption	0,02
Kvantni brojevi	3F2
space group	194 (P63/mmc)

Isotopes of Hafnium

Stabilni izotopi	5
Nestabilni izotopi	33
Natural Isotopes	6

¹⁵³Hf

Maseni broj	153
neutron number	81
Relativna Atomska Masa	152,970692 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	2000
Parnost	+

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

¹⁵⁴Hf

Maseni broj	154
neutron number	82
Relativna Atomska Masa	153,964863 ± 0,000322 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2 ± 1 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1981
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0%

¹⁵⁵Hf

Maseni broj	155
neutron number	83
Relativna Atomska Masa	154,963167 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	843 ± 30 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1981
Parnost	-

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

¹⁵⁶Hf

Maseni broj	156
neutron number	84
Relativna Atomska Masa	155,959399083 ± 0,000160752 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	23 ± 1 ms
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1979
Parnost	+

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

¹⁵⁷Hf

Maseni broj	157
neutron number	85
Relativna Atomska Masa	156,958288 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	115 ± 1 ms
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1965
Parnost	-

decay mode	intensity
α (α emission)	94%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	14%

¹⁵⁸Hf

Maseni broj	158
neutron number	86
Relativna Atomska Masa	157,954801217 ± 0,00001878 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,85 ± 0,07 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1965
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	55.7%
α (α emission)	44.3%

¹⁵⁹Hf

Maseni broj	159
neutron number	87
Relativna Atomska Masa	158,953995837 ± 0,000018049 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,2 ± 0,1 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	65%
α (α emission)	35%

¹⁶⁰Hf

Maseni broj	160
neutron number	88
Relativna Atomska Masa	159,950682728 ± 0,000010241 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,6 ± 0,2 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1973
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.3%
α (α emission)	0.7%

¹⁶¹Hf

Maseni broj	161
neutron number	89
Relativna Atomska Masa	160,950277927 ± 0,000025174 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	18,4 ± 0,4 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.71%
α (α emission)	0.29%

¹⁶²Hf

Maseni broj	162
neutron number	90
Relativna Atomska Masa	161,947215526 ± 0,00000961 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	39,4 ± 0,9 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1982
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.992%
α (α emission)	0.008%

¹⁶³Hf

Maseni broj	163
neutron number	91
Relativna Atomska Masa	162,947107211 ± 0,000027582 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	40 ± 0,6 s
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1982
Parnost	-

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

¹⁶⁴Hf

Maseni broj	164
neutron number	92
Relativna Atomska Masa	163,944370709 ± 0,000016975 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	111 ± 8 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1981
Parnost	+

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

¹⁶⁵Hf

Maseni broj	165
neutron number	93
Relativna Atomska Masa	164,944567 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	76 ± 4 s
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1981
Parnost	-

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

¹⁶⁶Hf

Maseni broj	166
neutron number	94
Relativna Atomska Masa	165,94218 ± 0,00003 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,77 ± 0,3 m
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1965
Parnost	+

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

¹⁶⁷Hf

Maseni broj	167
neutron number	95
Relativna Atomska Masa	166,9426 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,05 ± 0,05 m
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1969
Parnost

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

¹⁶⁸Hf

Maseni broj	168
neutron number	96
Relativna Atomska Masa	167,940568 ± 0,00003 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	25,95 ± 0,2 m
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1961
Parnost	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
ϵ (electron capture)	98%
e⁺ (positron emission)	2%

¹⁶⁹Hf

Maseni broj	169
neutron number	97
Relativna Atomska Masa	168,941259 ± 0,00003 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,24 ± 0,04 m
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1969
Parnost	-

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

¹⁷⁰Hf

Maseni broj	170
neutron number	98
Relativna Atomska Masa	169,939609 ± 0,00003 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	16,01 ± 0,13 h
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1961
Parnost	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁷¹Hf

Maseni broj	171
neutron number	99
Relativna Atomska Masa	170,940492 ± 0,000031 Da
g-factor	−0,19257142857143 ± 0,0034285714285714
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12,1 ± 0,4 h
spin	7/2
nuclear quadrupole moment	3,46 ± 0,03
vrijeme otkrića ili izuma	1951
Parnost	+

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

¹⁷²Hf

Maseni broj	172
neutron number	100
Relativna Atomska Masa	171,939449716 ± 0,000026224 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,87 ± 0,03 y
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1951
Parnost	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁷³Hf

Maseni broj	173
neutron number	101
Relativna Atomska Masa	172,940513 ± 0,00003 Da
g-factor	1,004 ± 0,014
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	23,6 ± 0,1 h
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1951
Parnost	-

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

¹⁷⁴Hf

Maseni broj	174
neutron number	102
Relativna Atomska Masa	173,940048377 ± 0,000002425 Da
g-factor	0
natural abundance	0,16 ± 0,12
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2 ± 0,4 Py
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1939
Parnost	+

decay mode	intensity
α (α emission)	100%
2β⁺ (double β⁺ decay)

¹⁷⁵Hf

Maseni broj	175
neutron number	103
Relativna Atomska Masa	174,941511424 ± 0,00000245 Da
g-factor	−0,2708 ± 0,0036
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	70,65 ± 0,19 d
spin	5/2
nuclear quadrupole moment	2,72 ± 0,02
vrijeme otkrića ili izuma	1949
Parnost	-

decay mode	intensity
ϵ (electron capture)	100%

¹⁷⁶Hf

Maseni broj	176
neutron number	104
Relativna Atomska Masa	175,941409797 ± 0,000001591 Da
g-factor	0
natural abundance	5,26 ± 0,7
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1934
Parnost	+

¹⁷⁷Hf

Maseni broj	177
neutron number	105
Relativna Atomska Masa	176,943230187 ± 0,000001514 Da
g-factor	0,226 ± 0,00025714285714286
natural abundance	18,6 ± 0,16
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	7/2
nuclear quadrupole moment	3,37 ± 0,03
vrijeme otkrića ili izuma	1934
Parnost	-

¹⁷⁸Hf

Maseni broj	178
neutron number	106
Relativna Atomska Masa	177,943708322 ± 0,000001519 Da
g-factor	0
natural abundance	27,28 ± 0,28
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1934
Parnost	+

¹⁷⁹Hf

Maseni broj	179
neutron number	107
Relativna Atomska Masa	178,945825705 ± 0,00000152 Da
g-factor	−0,14197777777778 ± 0,00031111111111111
natural abundance	13,62 ± 0,11
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	9/2
nuclear quadrupole moment	3,79 ± 0,03
vrijeme otkrića ili izuma	1934
Parnost	+

¹⁸⁰Hf

Maseni broj	180
neutron number	108
Relativna Atomska Masa	179,946559537 ± 0,000001525 Da
g-factor	0
natural abundance	35,08 ± 0,33
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1934
Parnost	+

¹⁸¹Hf

Maseni broj	181
neutron number	109
Relativna Atomska Masa	180,949110834 ± 0,000001527 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	42,39 ± 0,06 d
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1935
Parnost	-

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

¹⁸²Hf

Maseni broj	182
neutron number	110
Relativna Atomska Masa	181,950563684 ± 0,000006619 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,9 ± 0,09 My
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1961
Parnost	+

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

¹⁸³Hf

Maseni broj	183
neutron number	111
Relativna Atomska Masa	182,953533203 ± 0,000032251 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,018 ± 0,002 h
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost	-

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

¹⁸⁴Hf

Maseni broj	184
neutron number	112
Relativna Atomska Masa	183,955448507 ± 0,000042625 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,12 ± 0,05 h
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1973
Parnost	+

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

¹⁸⁵Hf

Maseni broj	185
neutron number	113
Relativna Atomska Masa	184,958862 ± 0,000069 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,5 ± 0,6 m
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1993
Parnost	-

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

¹⁸⁶Hf

Maseni broj	186
neutron number	114
Relativna Atomska Masa	185,960897 ± 0,000055 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,6 ± 1,2 m
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1998
Parnost	+

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

¹⁸⁷Hf

Maseni broj	187
neutron number	115
Relativna Atomska Masa	186,964573 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1999
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸⁸Hf

Maseni broj	188
neutron number	116
Relativna Atomska Masa	187,966903 ± 0,000322 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1999
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸⁹Hf

Maseni broj	189
neutron number	117
Relativna Atomska Masa	188,970853 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2009
Parnost	-

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

¹⁹⁰Hf

Maseni broj	190
neutron number	118
Relativna Atomska Masa	189,973376 ± 0,000429 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	2012
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)

povijest

otkrio/izumio	Dirk Coster, Georg von Hevesy
location of discovery	Denmark
vrijeme otkrića ili izuma	1923
Etimologija	From Hafnia, the Latin name of Copenhagen.
pronunciation	HAF-ni-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori	3 mg/kg
natural abundance (ocean)	0,000007 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)	0,000017 %
natural abundance (Sunce)	0,0000001 %
Zastupljenost u svemiru	0,00000007 %

Nuclear Screening Constants

1	s	1.3984
2	p	4.4012
2	s	18.8102
3	d	13.5702
3	p	21.0168
3	s	21.6885
4	d	36.476
4	f	39.7904
4	p	34.0704
4	s	33.0228
5	d	55.3805
5	p	52.415
5	s	50.167
6	s	62.8356

Hafnij on ChemicalAid

Hafnij (Hf)

Physical Property

Kemijsko Svojstvo

other

Isotopes of Hafnium

153Hf

154Hf

155Hf

156Hf

157Hf

158Hf

159Hf

160Hf

161Hf

162Hf

163Hf

164Hf

165Hf

166Hf

167Hf

168Hf

169Hf

170Hf

171Hf

172Hf

173Hf

174Hf

175Hf

176Hf

177Hf

178Hf

179Hf

180Hf

181Hf

182Hf

183Hf

184Hf

185Hf

186Hf

187Hf

188Hf

189Hf

190Hf

povijest

source

Nuclear Screening Constants

¹⁵³Hf

¹⁵⁴Hf

¹⁵⁵Hf

¹⁵⁶Hf

¹⁵⁷Hf

¹⁵⁸Hf

¹⁵⁹Hf

¹⁶⁰Hf

¹⁶¹Hf

¹⁶²Hf

¹⁶³Hf

¹⁶⁴Hf

¹⁶⁵Hf

¹⁶⁶Hf

¹⁶⁷Hf

¹⁶⁸Hf

¹⁶⁹Hf

¹⁷⁰Hf

¹⁷¹Hf

¹⁷²Hf

¹⁷³Hf

¹⁷⁴Hf

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