Hafnium (Hf)

element with the atomic number of 72

Atomic Number	72
Atomic Weight	178.49
Nombor jisim	180

Group	4
Period	6
Block	d

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

Sifat Fizikal

Jejari Atom	155 pm 264 pm
molar volume	13.6 cm³/mol
Jejari kovalen	152 pm 128 pm 122 pm 175 pm
Metallic Radius	144 pm 159 pm
ionic radius	58 pm 71 pm 76 pm 83 pm
Crystal Radius	72 pm 85 pm 90 pm 97 pm
Jejari van der Waals	225 pm 223 pm 253 pm 314.1 pm
ketumpatan	13.3 g/cm³ 12,000 kg/m³

Sifat Kimia

{ERROR}

tenaga

proton affinity
Pertalian elektron	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

Entalpi pengewapan	575 kJ/mol
entalpi pelakuran	25.1 kJ/mol
standard enthalpy of formation	618.4 kJ/mol
Elektron

Petala elektron	2, 8, 18, 32, 10, 2

Elektron valens	2 ⓘ

tatarajah elektron	[Xe] 4f¹⁴ 5d² 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d² 6s²

Keadaan pengoksidaan	-2, 0, 1, 2, 3, 4
Keelektronegatifan	6.83 eV/particle 0.229987 1.3
Electrophilicity Index	0.8583981383413326 eV/particle
keadaan jirim asas

fasa jirim
gaseous state of matter
Boiling Point	4,873.15 K
Melting Point	2,506.15 K
critical pressure
critical temperature
triple point
rupa
warna	Black #ff1493 #4dc2ff #4dc2ff
rupa	steel gray
indeks biasan
sifat bahan
Thermal Conductivity	23 W/(m K)
Pengembangan terma	0.0000059 1/K
molar heat capacity	25.73 J/(mol K)
Specific Heat Capacity	0.144 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Kekonduksian elektrik	3.3 MS/m
Kerintangan dan kekonduksian elektrik	0.0000003 Ω*m
Kesuperkonduksian	0.128 K
kemagnetan
type	paramagnetic
magnetic susceptibility (Mass)	0.0000000053 m³/Kg
magnetic susceptibility (Molar)	0.000000000946 m³/mol
magnetic susceptibility (Volume)	0.0000705
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure	{ERROR}
lattice constant	3.2 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	1,700 MPa 5.5 MPa 1,760 MPa
Modulus pukal	110 GPa
shear modulus	30 GPa
Young's modulus	78 GPa
Nisbah Poisson	0.37
Kelajuan bunyi	3,010 m/s
pengelasan
Category	Actinides, 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
Neutron cross section	104
Neutron Mass Absorption	0.02
Nombor kuantum	3F2
space group	194 (P63/mmc)

Isotopes of Hafnium

Stable Isotopes	5
Unstable Isotopes	33
Natural Isotopes	6

¹⁵³Hf

Nombor jisim	153
nombor neutron	81
Jisim Atom Relatif	152.970692 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2000
parity	+

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁵⁴Hf

Nombor jisim	154
nombor neutron	82
Jisim Atom Relatif	153.964863 ± 0.000322 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2 ± 1 s
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1981
parity	+

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

¹⁵⁵Hf

Nombor jisim	155
nombor neutron	83
Jisim Atom Relatif	154.963167 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	843 ± 30 ms
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1981
parity	-

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

¹⁵⁶Hf

Nombor jisim	156
nombor neutron	84
Jisim Atom Relatif	155.959399083 ± 0.000160752 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	23 ± 1 ms
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1979
parity	+

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

¹⁵⁷Hf

Nombor jisim	157
nombor neutron	85
Jisim Atom Relatif	156.958288 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	115 ± 1 ms
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1965
parity	-

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

¹⁵⁸Hf

Nombor jisim	158
nombor neutron	86
Jisim Atom Relatif	157.954801217 ± 0.00001878 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.85 ± 0.07 s
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1965
parity	+

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

¹⁵⁹Hf

Nombor jisim	159
nombor neutron	87
Jisim Atom Relatif	158.953995837 ± 0.000018049 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	5.2 ± 0.1 s
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1973
parity	-

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

¹⁶⁰Hf

Nombor jisim	160
nombor neutron	88
Jisim Atom Relatif	159.950682728 ± 0.000010241 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	13.6 ± 0.2 s
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1973
parity	+

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

¹⁶¹Hf

Nombor jisim	161
nombor neutron	89
Jisim Atom Relatif	160.950277927 ± 0.000025174 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	18.4 ± 0.4 s
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1973
parity	-

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

¹⁶²Hf

Nombor jisim	162
nombor neutron	90
Jisim Atom Relatif	161.947215526 ± 0.00000961 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	39.4 ± 0.9 s
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1982
parity	+

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

¹⁶³Hf

Nombor jisim	163
nombor neutron	91
Jisim Atom Relatif	162.947107211 ± 0.000027582 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	40 ± 0.6 s
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1982
parity	-

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

¹⁶⁴Hf

Nombor jisim	164
nombor neutron	92
Jisim Atom Relatif	163.944370709 ± 0.000016975 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	111 ± 8 s
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1981
parity	+

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

¹⁶⁵Hf

Nombor jisim	165
nombor neutron	93
Jisim Atom Relatif	164.944567 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	76 ± 4 s
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1981
parity	-

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

¹⁶⁶Hf

Nombor jisim	166
nombor neutron	94
Jisim Atom Relatif	165.94218 ± 0.00003 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	6.77 ± 0.3 m
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1965
parity	+

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

¹⁶⁷Hf

Nombor jisim	167
nombor neutron	95
Jisim Atom Relatif	166.9426 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.05 ± 0.05 m
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1969
parity

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

¹⁶⁸Hf

Nombor jisim	168
nombor neutron	96
Jisim Atom Relatif	167.940568 ± 0.00003 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	25.95 ± 0.2 m
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1961
parity	+

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

¹⁶⁹Hf

Nombor jisim	169
nombor neutron	97
Jisim Atom Relatif	168.941259 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.24 ± 0.04 m
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1969
parity	-

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

¹⁷⁰Hf

Nombor jisim	170
nombor neutron	98
Jisim Atom Relatif	169.939609 ± 0.00003 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	16.01 ± 0.13 h
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1961
parity	+

decay mode	Keamatan (fizik)
ϵ (electron capture)	100%

¹⁷¹Hf

Nombor jisim	171
nombor neutron	99
Jisim Atom Relatif	170.940492 ± 0.000031 Da
g-factor	-0.19257142857143 ± 0.0034285714285714
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	12.1 ± 0.4 h
Spin	7/2
nuclear quadrupole moment	3.46 ± 0.03
tarikh penemuan	1951
parity	+

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

¹⁷²Hf

Nombor jisim	172
nombor neutron	100
Jisim Atom Relatif	171.939449716 ± 0.000026224 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.87 ± 0.03 y
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1951
parity	+

decay mode	Keamatan (fizik)
ϵ (electron capture)	100%

¹⁷³Hf

Nombor jisim	173
nombor neutron	101
Jisim Atom Relatif	172.940513 ± 0.00003 Da
g-factor	1.004 ± 0.014
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	23.6 ± 0.1 h
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	1951
parity	-

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

¹⁷⁴Hf

Nombor jisim	174
nombor neutron	102
Jisim Atom Relatif	173.940048377 ± 0.000002425 Da
g-factor	0
natural abundance	0.16 ± 0.12
Reputan radioaktif	☢️ radioactive element
setengah hayat	2 ± 0.4 Py
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1939
parity	+

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

¹⁷⁵Hf

Nombor jisim	175
nombor neutron	103
Jisim Atom Relatif	174.941511424 ± 0.00000245 Da
g-factor	-0.2708 ± 0.0036
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	70.65 ± 0.19 d
Spin	5/2
nuclear quadrupole moment	2.72 ± 0.02
tarikh penemuan	1949
parity	-

decay mode	Keamatan (fizik)
ϵ (electron capture)	100%

¹⁷⁶Hf

Nombor jisim	176
nombor neutron	104
Jisim Atom Relatif	175.941409797 ± 0.000001591 Da
g-factor	0
natural abundance	5.26 ± 0.7
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1934
parity	+

¹⁷⁷Hf

Nombor jisim	177
nombor neutron	105
Jisim Atom Relatif	176.943230187 ± 0.000001514 Da
g-factor	0.226 ± 0.00025714285714286
natural abundance	18.6 ± 0.16
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	7/2
nuclear quadrupole moment	3.37 ± 0.03
tarikh penemuan	1934
parity	-

¹⁷⁸Hf

Nombor jisim	178
nombor neutron	106
Jisim Atom Relatif	177.943708322 ± 0.000001519 Da
g-factor	0
natural abundance	27.28 ± 0.28
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1934
parity	+

¹⁷⁹Hf

Nombor jisim	179
nombor neutron	107
Jisim Atom Relatif	178.945825705 ± 0.00000152 Da
g-factor	-0.14197777777778 ± 0.00031111111111111
natural abundance	13.62 ± 0.11
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	9/2
nuclear quadrupole moment	3.79 ± 0.03
tarikh penemuan	1934
parity	+

¹⁸⁰Hf

Nombor jisim	180
nombor neutron	108
Jisim Atom Relatif	179.946559537 ± 0.000001525 Da
g-factor	0
natural abundance	35.08 ± 0.33
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1934
parity	+

¹⁸¹Hf

Nombor jisim	181
nombor neutron	109
Jisim Atom Relatif	180.949110834 ± 0.000001527 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	42.39 ± 0.06 d
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	1935
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸²Hf

Nombor jisim	182
nombor neutron	110
Jisim Atom Relatif	181.950563684 ± 0.000006619 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	8.9 ± 0.09 My
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1961
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸³Hf

Nombor jisim	183
nombor neutron	111
Jisim Atom Relatif	182.953533203 ± 0.000032251 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.018 ± 0.002 h
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1956
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸⁴Hf

Nombor jisim	184
nombor neutron	112
Jisim Atom Relatif	183.955448507 ± 0.000042625 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.12 ± 0.05 h
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1973
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸⁵Hf

Nombor jisim	185
nombor neutron	113
Jisim Atom Relatif	184.958862 ± 0.000069 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.5 ± 0.6 m
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1993
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸⁶Hf

Nombor jisim	186
nombor neutron	114
Jisim Atom Relatif	185.960897 ± 0.000055 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.6 ± 1.2 m
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1998
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁸⁷Hf

Nombor jisim	187
nombor neutron	115
Jisim Atom Relatif	186.964573 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	9/2
nuclear quadrupole moment
tarikh penemuan	1999
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)

¹⁸⁸Hf

Nombor jisim	188
nombor neutron	116
Jisim Atom Relatif	187.966903 ± 0.000322 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1999
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)

¹⁸⁹Hf

Nombor jisim	189
nombor neutron	117
Jisim Atom Relatif	188.970853 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2009
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁹⁰Hf

Nombor jisim	190
nombor neutron	118
Jisim Atom Relatif	189.973376 ± 0.000429 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	2012
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)

sejarah

penemu atau pereka	Dirk Coster, Georg von Hevesy
tempat penemuan	Denmark
tarikh penemuan	1923
Etimologi	From Hafnia, the Latin name of Copenhagen.
sebutan	HAF-ni-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust	3 mg/kg
natural abundance (lautan)	0.000007 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)	0.000017 %
natural abundance (Matahari)	0.0000001 %
Abundance in Universe	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

Hafnium on ChemicalAid

Hafnium (Hf)

Sifat Fizikal

Sifat Kimia

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

sejarah

sumber

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

¹⁷⁵Hf

¹⁷⁶Hf

¹⁷⁷Hf

¹⁷⁸Hf

¹⁷⁹Hf

¹⁸⁰Hf

¹⁸¹Hf

¹⁸²Hf

¹⁸³Hf

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