Hafnium

Hafnium (Hf)

element with the atomic number of 72
Atomic Number72
Atomic Weight178.49
massiarv180
Group4
Period6
Blockd
prooton72 p+
neutron108 n0
elektron72 e-
Animated Bohri aatomiteooria of Hf (Hafnium)

Füüsikalised Omadused

Aatomiraadius
molaarruumala
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Hafnium0102030405060708090100110120130140150160170180190200210220230pmAatomiraadiusCovalent RadiusMetallic RadiusVan der Waals radius

Keemilised Omadused

energia
proton affinity
Elektronafiinsus
ionization energy
ionization energy of Hf (Hafnium)
aurustumissoojus
sulamissoojus
standard enthalpy of formation
elektron
elektronkiht2, 8, 18, 32, 10, 2
Bohri aatomiteooria: Hf (Hafnium)
valentselektron2
Lewis structure: Hf (Hafnium)
elektronkonfiguratsioon[Xe] 4f14 5d2 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d2 6s2
Enhanced Bohri aatomiteooria of Hf (Hafnium)
Orbital Diagram of Hf (Hafnium)
oksüdatsiooniaste-2, 0, 1, 2, 3, 4
elektronegatiivsus
1.3
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
kolmikpunkt
Välimus
värvus
Gray
Välimussteel gray
Murdumisnäitaja
thermodynamic material property
Thermal Conductivity
soojuspaisumine
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Elektrijuhtivus
Eritakistus
Ülijuhtivus
Magnetism
typeparamagnetic
Magnetiline vastuvõtlikkus (Mass)
0,0000000053 m³/Kg
Magnetiline vastuvõtlikkus (Molar)
0,000000000946 m³/mol
Magnetiline vastuvõtlikkus (Volume)
0,0000705
magnetic ordering
Curie punkt
Néel temperature
struktuur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
kõvadus
Ruumpaisumismoodul
Nihkeelastsusmoodul
Normaalelastsusmoodul
Poissoni tegur
0,37
heli kiirus
Klassifitseerimine
CategoryTransition metals, Transition metals
CAS GroupIVA
IUPAC GroupIVB
Glawe Number50
Mendeleev Number45
Pettifor Number50
Geochemical Classhigh field strength
Goldschmidt classificationlitophile

teine

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
104
Neutron Mass Absorption
0,02
Kvantarv3F2
space group194 (P63/mmc)

Isotopes of Hafnium

Stable Isotopes5
Unstable Isotopes33
Natural Isotopes6
Isotopic Composition18035.08%18035.08%17827.28%17827.28%17718.60%17718.60%17913.62%17913.62%1765.26%1765.26%1740.16%1740.16%

153Hf

massiarv153
neutron number81
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn1/2
nuclear quadrupole moment
0
avastamise aeg2000
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)

154Hf

massiarv154
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2 ± 1 s
spinn0
nuclear quadrupole moment
0
avastamise aeg1981
parity+

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

155Hf

massiarv155
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
843 ± 30 ms
spinn7/2
nuclear quadrupole moment
avastamise aeg1981
parity-

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

156Hf

massiarv156
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
23 ± 1 ms
spinn0
nuclear quadrupole moment
0
avastamise aeg1979
parity+

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

157Hf

massiarv157
neutron number85
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
115 ± 1 ms
spinn7/2
nuclear quadrupole moment
avastamise aeg1965
parity-

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

158Hf

massiarv158
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,85 ± 0,07 s
spinn0
nuclear quadrupole moment
0
avastamise aeg1965
parity+

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

159Hf

massiarv159
neutron number87
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
5,2 ± 0,1 s
spinn7/2
nuclear quadrupole moment
avastamise aeg1973
parity-

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

160Hf

massiarv160
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
13,6 ± 0,2 s
spinn0
nuclear quadrupole moment
0
avastamise aeg1973
parity+

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

161Hf

massiarv161
neutron number89
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
18,4 ± 0,4 s
spinn7/2
nuclear quadrupole moment
avastamise aeg1973
parity-

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

162Hf

massiarv162
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
39,4 ± 0,9 s
spinn0
nuclear quadrupole moment
0
avastamise aeg1982
parity+

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

163Hf

massiarv163
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
40 ± 0,6 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1982
parity-

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

164Hf

massiarv164
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
111 ± 8 s
spinn0
nuclear quadrupole moment
0
avastamise aeg1981
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

165Hf

massiarv165
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
76 ± 4 s
spinn5/2
nuclear quadrupole moment
avastamise aeg1981
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

166Hf

massiarv166
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
6,77 ± 0,3 m
spinn0
nuclear quadrupole moment
0
avastamise aeg1965
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

167Hf

massiarv167
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,05 ± 0,05 m
spinn5/2
nuclear quadrupole moment
avastamise aeg1969
parity

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

168Hf

massiarv168
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
25,95 ± 0,2 m
spinn0
nuclear quadrupole moment
0
avastamise aeg1961
parity+

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

169Hf

massiarv169
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,24 ± 0,04 m
spinn5/2
nuclear quadrupole moment
avastamise aeg1969
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

170Hf

massiarv170
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
16,01 ± 0,13 h
spinn0
nuclear quadrupole moment
0
avastamise aeg1961
parity+

decay modeIntensiivsus
ϵ (electron capture)100%

171Hf

massiarv171
neutron number99
Relative Atomic Mass
g-factor
−0,19257142857143 ± 0,0034285714285714
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
12,1 ± 0,4 h
spinn7/2
nuclear quadrupole moment
3,46 ± 0,03
avastamise aeg1951
parity+

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

172Hf

massiarv172
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,87 ± 0,03 y
spinn0
nuclear quadrupole moment
0
avastamise aeg1951
parity+

decay modeIntensiivsus
ϵ (electron capture)100%

173Hf

massiarv173
neutron number101
Relative Atomic Mass
g-factor
1,004 ± 0,014
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
23,6 ± 0,1 h
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1951
parity-

decay modeIntensiivsus
β+ (β+ decay; β+ = ϵ + e+)100%

174Hf

massiarv174
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
0,16 ± 0,12
radioaktiivsus☢️ radioactive element
Poolestusaeg
2 ± 0,4 Py
spinn0
nuclear quadrupole moment
0
avastamise aeg1939
parity+

decay modeIntensiivsus
α (α emission)100%
+ (double β+ decay)

175Hf

massiarv175
neutron number103
Relative Atomic Mass
g-factor
−0,2708 ± 0,0036
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
70,65 ± 0,19 d
spinn5/2
nuclear quadrupole moment
2,72 ± 0,02
avastamise aeg1949
parity-

decay modeIntensiivsus
ϵ (electron capture)100%

176Hf

massiarv176
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
5,26 ± 0,7
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn0
nuclear quadrupole moment
0
avastamise aeg1934
parity+

177Hf

massiarv177
neutron number105
Relative Atomic Mass
g-factor
0,226 ± 0,00025714285714286
natural abundance
18,6 ± 0,16
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn7/2
nuclear quadrupole moment
3,37 ± 0,03
avastamise aeg1934
parity-

178Hf

massiarv178
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
27,28 ± 0,28
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn0
nuclear quadrupole moment
0
avastamise aeg1934
parity+

179Hf

massiarv179
neutron number107
Relative Atomic Mass
g-factor
−0,14197777777778 ± 0,00031111111111111
natural abundance
13,62 ± 0,11
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn9/2
nuclear quadrupole moment
3,79 ± 0,03
avastamise aeg1934
parity+

180Hf

massiarv180
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
35,08 ± 0,33
radioaktiivsusStabiilne isotoop
PoolestusaegNot Radioactive ☢️
spinn0
nuclear quadrupole moment
0
avastamise aeg1934
parity+

181Hf

massiarv181
neutron number109
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
42,39 ± 0,06 d
spinn1/2
nuclear quadrupole moment
0
avastamise aeg1935
parity-

decay modeIntensiivsus
β (β decay)100%

182Hf

massiarv182
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
8,9 ± 0,09 My
spinn0
nuclear quadrupole moment
0
avastamise aeg1961
parity+

decay modeIntensiivsus
β (β decay)100%

183Hf

massiarv183
neutron number111
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
1,018 ± 0,002 h
spinn3/2
nuclear quadrupole moment
avastamise aeg1956
parity-

decay modeIntensiivsus
β (β decay)100%

184Hf

massiarv184
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
4,12 ± 0,05 h
spinn0
nuclear quadrupole moment
0
avastamise aeg1973
parity+

decay modeIntensiivsus
β (β decay)100%

185Hf

massiarv185
neutron number113
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
3,5 ± 0,6 m
spinn9/2
nuclear quadrupole moment
avastamise aeg1993
parity-

decay modeIntensiivsus
β (β decay)100%

186Hf

massiarv186
neutron number114
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
2,6 ± 1,2 m
spinn0
nuclear quadrupole moment
0
avastamise aeg1998
parity+

decay modeIntensiivsus
β (β decay)100%

187Hf

massiarv187
neutron number115
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn9/2
nuclear quadrupole moment
avastamise aeg1999
parity-

decay modeIntensiivsus
β (β decay)

188Hf

massiarv188
neutron number116
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn0
nuclear quadrupole moment
0
avastamise aeg1999
parity+

decay modeIntensiivsus
β (β decay)

189Hf

massiarv189
neutron number117
Relative Atomic Mass
g-factor
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn3/2
nuclear quadrupole moment
avastamise aeg2009
parity-

decay modeIntensiivsus
β (β decay)100%

190Hf

massiarv190
neutron number118
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiivsus☢️ radioactive element
Poolestusaeg
spinn0
nuclear quadrupole moment
0
avastamise aeg2012
parity+

decay modeIntensiivsus
β (β decay)
Hf-crystal bar
Hafnium

ajalugu

leiutaja või avastajaDirk Coster, Georg von Hevesy
location of discoveryDenmark
avastamise aeg1923
etümoloogiaFrom Hafnia, the Latin name of Copenhagen.
pronunciationHAF-ni-em (inglise)

allikas

Abundance
Abundance in Earth's crust
natural abundance (ookean)
natural abundance (Inimkeha)
natural abundance (meteoorkeha)
0,000017 %
natural abundance (Päike)
0,0000001 %
Abundance in Universe
0,00000007 %

Nuclear Screening Constants

1s1.3984
2p4.4012
2s18.8102
3d13.5702
3p21.0168
3s21.6885
4d36.476
4f39.7904
4p34.0704
4s33.0228
5d55.3805
5p52.415
5s50.167
6s62.8356