Holmium

Holmium (Ho)

chemical element with atomic number 67
Atomic Number67
Atomic Weight164.93033
Nombor jisim165
Group
Period6
Blockf
proton67 p+
neutron98 n0
Elektron67 e-
Animated Model Bohr of Ho (Holmium)

Sifat Fizikal

Jejari Atom
175 pm
molar volume
Jejari kovalen
166 pm
Metallic Radius
ionic radius
90.1 pm
Crystal Radius
104.1 pm
Jejari van der Waals
230 pm
ketumpatan
8.8 g/cm³
Atomic Radii Of The Elements: Holmium0102030405060708090100110120130140150160170180190200210220230pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Ho (Holmium)
Entalpi pengewapan
301 kJ/mol
entalpi pelakuran
standard enthalpy of formation
300.6 kJ/mol
Elektron
Petala elektron2, 8, 18, 29, 8, 2
Model Bohr: Ho (Holmium)
Elektron valens2
Teori ion Lewis: Ho (Holmium)
tatarajah elektron[Xe] 4f11 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f11 6s2
Enhanced Model Bohr of Ho (Holmium)
Orbital Diagram of Ho (Holmium)
Keadaan pengoksidaan0, 2, 3
Keelektronegatifan
1.23
Electrophilicity Index
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
2,973.15 K
Melting Point
1,745.15 K
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupasilvery white
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
0.0000112 1/K
molar heat capacity
27.15 J/(mol K)
Specific Heat Capacity
0.165 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
1.1 MS/m
Kerintangan dan kekonduksian elektrik
0.00000094 m Ω
Kesuperkonduksian
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.00000549 m³/Kg
magnetic susceptibility (Molar)
0.000000905467 m³/mol
magnetic susceptibility (Volume)
0.0482845
magnetic ordering
Suhu Curie
20 K
Néel temperature
132 K
struktur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3.58 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Modulus pukal
40 GPa
shear modulus
26 GPa
Young's modulus
65 GPa
Nisbah Poisson
0.23
Kelajuan bunyi
2,760 m/s
pengelasan
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number23
Mendeleev Number33
Pettifor Number24
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
156 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
64
Neutron Mass Absorption
0.015
Nombor kuantum4I15/2
space group194 (P63/mmc)

Isotopes of Holmium

Stable Isotopes1
Unstable Isotopes38
Natural Isotopes1

140Ho

Nombor jisim140
nombor neutron73
jisim atom relatif
139.968526 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
6 ± 3 ms
Spin8
nuclear quadrupole moment
tarikh penemuan1999
parity+

decay modeKeamatan (fizik)
p (proton emission)
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

141Ho

Nombor jisim141
nombor neutron74
jisim atom relatif
140.963108 ± 0.00043 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.1 ± 0.1 ms
Spin7/2
nuclear quadrupole moment
tarikh penemuan1998
parity-

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

142Ho

Nombor jisim142
nombor neutron75
jisim atom relatif
141.96001 ± 0.00043 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
400 ± 100 ms
Spin7
nuclear quadrupole moment
tarikh penemuan2001
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)
p (proton emission)0%

143Ho

Nombor jisim143
nombor neutron76
jisim atom relatif
142.95486 ± 0.00032 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin11/2
nuclear quadrupole moment
tarikh penemuan2000
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

144Ho

Nombor jisim144
nombor neutron77
jisim atom relatif
143.952109712 ± 0.0000091 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
700 ± 100 ms
Spin5
nuclear quadrupole moment
tarikh penemuan1986
parity-

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

145Ho

Nombor jisim145
nombor neutron78
jisim atom relatif
144.947267392 ± 0.000008 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.4 ± 0.1 s
Spin11/2
nuclear quadrupole moment
tarikh penemuan1987
parity-

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

146Ho

Nombor jisim146
nombor neutron79
jisim atom relatif
145.944993503 ± 0.000007071 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.32 ± 0.22 s
Spin6
nuclear quadrupole moment
tarikh penemuan1982
parity-

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

147Ho

Nombor jisim147
nombor neutron80
jisim atom relatif
146.940142293 ± 0.000005368 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.8 ± 0.4 s
Spin11/2
nuclear quadrupole moment
tarikh penemuan1982
parity-

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

148Ho

Nombor jisim148
nombor neutron81
jisim atom relatif
147.937743925 ± 0.00009 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.2 ± 1.1 s
Spin1
nuclear quadrupole moment
tarikh penemuan1979
parity+

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

149Ho

Nombor jisim149
nombor neutron82
jisim atom relatif
148.933820457 ± 0.000012866 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
21.1 ± 0.2 s
Spin11/2
nuclear quadrupole moment
tarikh penemuan1979
parity-

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

150Ho

Nombor jisim150
nombor neutron83
jisim atom relatif
149.933498353 ± 0.000015209 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
76.8 ± 1.8 s
Spin2
nuclear quadrupole moment
tarikh penemuan1963
parity

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

151Ho

Nombor jisim151
nombor neutron84
jisim atom relatif
150.931698176 ± 0.000008908 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
35.2 ± 0.1 s
Spin11/2
nuclear quadrupole moment
tarikh penemuan1963
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)88%
α (α emission)22%

152Ho

Nombor jisim152
nombor neutron85
jisim atom relatif
151.931717618 ± 0.000013449 Da
g-factor
-0.51 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
161.8 ± 0.3 s
Spin2
nuclear quadrupole moment
0.1 ± 0.2
tarikh penemuan1963
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)88%
α (α emission)12%

153Ho

Nombor jisim153
nombor neutron86
jisim atom relatif
152.930206671 ± 0.000005438 Da
g-factor
1.2345454545455 ± 0.0090909090909091
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.01 ± 0.03 m
Spin11/2
nuclear quadrupole moment
-1.1 ± 0.5
tarikh penemuan1963
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)99.949%
α (α emission)0.051%

154Ho

Nombor jisim154
nombor neutron87
jisim atom relatif
153.930606776 ± 0.00000882 Da
g-factor
-0.3205 ± 0.003
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.76 ± 0.19 m
Spin2
nuclear quadrupole moment
0.19 ± 0.1
tarikh penemuan1966
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)99.981%
α (α emission)0.019%

155Ho

Nombor jisim155
nombor neutron88
jisim atom relatif
154.929103363 ± 0.000018754 Da
g-factor
1.4 ± 0.012
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
48 ± 2 m
Spin5/2
nuclear quadrupole moment
1.56 ± 0.12
tarikh penemuan1959
parity+

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

156Ho

Nombor jisim156
nombor neutron89
jisim atom relatif
155.929641634 ± 0.000041249 Da
g-factor
0.745 ± 0.0075
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
56 ± 1 m
Spin4
nuclear quadrupole moment
2.4 ± 0.18
tarikh penemuan1957
parity-

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

157Ho

Nombor jisim157
nombor neutron90
jisim atom relatif
156.928251974 ± 0.000025194 Da
g-factor
1.24 ± 0.0085714285714286
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.6 ± 0.2 m
Spin7/2
nuclear quadrupole moment
3.05 ± 0.13
tarikh penemuan1966
parity-

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

158Ho

Nombor jisim158
nombor neutron91
jisim atom relatif
157.92894491 ± 0.000029099 Da
g-factor
0.7552 ± 0.0006
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.3 ± 0.4 m
Spin5
nuclear quadrupole moment
4.2 ± 0.4
tarikh penemuan1961
parity+

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

159Ho

Nombor jisim159
nombor neutron92
jisim atom relatif
158.927718683 ± 0.000003268 Da
g-factor
1.22 ± 0.0085714285714286
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
33.05 ± 0.11 m
Spin7/2
nuclear quadrupole moment
3.27 ± 0.13
tarikh penemuan1958
parity-

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

160Ho

Nombor jisim160
nombor neutron93
jisim atom relatif
159.928735538 ± 0.00001612 Da
g-factor
0.74 ± 0.006
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
25.6 ± 0.3 m
Spin5
nuclear quadrupole moment
4 ± 0.2
tarikh penemuan1950
parity+

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

161Ho

Nombor jisim161
nombor neutron94
jisim atom relatif
160.927861815 ± 0.000002309 Da
g-factor
1.2114285714286 ± 0.0085714285714286
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.48 ± 0.05 h
Spin7/2
nuclear quadrupole moment
3.3 ± 0.11
tarikh penemuan1954
parity-

decay modeKeamatan (fizik)
ϵ (electron capture)100%

162Ho

Nombor jisim162
nombor neutron95
jisim atom relatif
161.929102543 ± 0.00000333 Da
g-factor
2.32 ± 0.03
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15 ± 1 m
Spin1
nuclear quadrupole moment
tarikh penemuan1957
parity+

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

163Ho

Nombor jisim163
nombor neutron96
jisim atom relatif
162.92874026 ± 0.000000744 Da
g-factor
1.2057142857143 ± 0.011428571428571
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.57 ± 0.025 ky
Spin7/2
nuclear quadrupole moment
3.7 ± 0.6
tarikh penemuan1957
parity-

decay modeKeamatan (fizik)
ϵ (electron capture)100%

164Ho

Nombor jisim164
nombor neutron97
jisim atom relatif
163.930240548 ± 0.000001492 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
28.8 ± 0.5 m
Spin1
nuclear quadrupole moment
tarikh penemuan1938
parity+

decay modeKeamatan (fizik)
ϵ (electron capture)61%
β+ (β+ decay; β+ = ϵ + e+)39%

165Ho

Nombor jisim165
nombor neutron98
jisim atom relatif
164.930329116 ± 0.000000844 Da
g-factor
1.1885714285714 ± 0.0085714285714286
natural abundance
100
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin7/2
nuclear quadrupole moment
3.58 ± 0.02
tarikh penemuan1934
parity-

166Ho

Nombor jisim166
nombor neutron99
jisim atom relatif
165.932291209 ± 0.000000844 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
26.812 ± 0.007 h
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity-

decay modeKeamatan (fizik)
β (β decay)100%

167Ho

Nombor jisim167
nombor neutron100
jisim atom relatif
166.933140254 ± 0.00000557 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.1 ± 0.1 h
Spin7/2
nuclear quadrupole moment
tarikh penemuan1955
parity-

decay modeKeamatan (fizik)
β (β decay)100%

168Ho

Nombor jisim168
nombor neutron101
jisim atom relatif
167.935523766 ± 0.000032207 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.99 ± 0.07 m
Spin3
nuclear quadrupole moment
tarikh penemuan1960
parity+

decay modeKeamatan (fizik)
β (β decay)100%

169Ho

Nombor jisim169
nombor neutron102
jisim atom relatif
168.93687989 ± 0.000021522 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.72 ± 0.1 m
Spin7/2
nuclear quadrupole moment
tarikh penemuan1963
parity-

decay modeKeamatan (fizik)
β (β decay)100%

170Ho

Nombor jisim170
nombor neutron103
jisim atom relatif
169.939626548 ± 0.000053697 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.76 ± 0.05 m
Spin6
nuclear quadrupole moment
tarikh penemuan1960
parity+

decay modeKeamatan (fizik)
β (β decay)100%

171Ho

Nombor jisim171
nombor neutron104
jisim atom relatif
170.941472713 ± 0.000644128 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
53 ± 2 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan1989
parity-

decay modeKeamatan (fizik)
β (β decay)100%

172Ho

Nombor jisim172
nombor neutron105
jisim atom relatif
171.94473 ± 0.00021 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
25 ± 3 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1991
parity+

decay modeKeamatan (fizik)
β (β decay)100%

173Ho

Nombor jisim173
nombor neutron106
jisim atom relatif
172.94702 ± 0.00032 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
7.1 ± 0.4 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan2012
parity-

decay modeKeamatan (fizik)
β (β decay)100%

174Ho

Nombor jisim174
nombor neutron107
jisim atom relatif
173.950757 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.7 ± 0.4 s
Spin8
nuclear quadrupole moment
tarikh penemuan2012
parity-

decay modeKeamatan (fizik)
β (β decay)100%

175Ho

Nombor jisim175
nombor neutron108
jisim atom relatif
174.953516 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.88 ± 0.55 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan2012
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

176Ho

Nombor jisim176
nombor neutron109
jisim atom relatif
175.957713 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin4
nuclear quadrupole moment
tarikh penemuan2012
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)

177Ho

Nombor jisim177
nombor neutron110
jisim atom relatif
176.961052 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin7/2
nuclear quadrupole moment
tarikh penemuan2018
parity-

decay modeKeamatan (fizik)
β (β decay)100%
n (neutron emission)

178Ho

Nombor jisim178
nombor neutron111
jisim atom relatif
177.965507 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin2
nuclear quadrupole moment
tarikh penemuan2018
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
Holmium

sejarah

penemu atau perekaJ.L. Soret
tempat penemuanSwitzerland
tarikh penemuan1878
EtimologiFrom Holmia, the Latinized name for Stockholm, Sweden.
sebutanHOLE-mi-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
1.3 mg/kg
natural abundance (lautan)
0.00000022 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)
0.0000059 %
natural abundance (Matahari)
0 %
Abundance in Universe
0.00000005 %

Nuclear Screening Constants

1s1.3088
2p4.3332
2s17.5444
3d13.6531
3p20.2546
3s20.7649
4d35.3284
4f39.5304
4p32.4372
4s31.688
5p49.661
5s47.424
6s58.561