Holmij

Holmij (Ho)

chemical element with atomic number 67
Atomski broj67
Relativna atomska masa164.93033
Maseni broj165
Skupina
Perioda6
Blokf
proton67 p+
neutron98 n0
elektron67 e-
Animated Bohrov model atoma of Ho (Holmij)

Physical Property

Atomski Radijus
175 pm
Molni volumen
Kovalentni Radijus
166 pm
Metallic Radius
Ionski radijus
90,1 pm
Crystal Radius
104,1 pm
Van der Waals radius
230 pm
gustoća
8,8 g/cm³
Atomic Radii Of The Elements: Holmij0153045607590105120135150165180195210225240pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of Ho (Holmij)
Toplina isparivanja
301 kJ/mol
toplina taljenja
standard enthalpy of formation
300,6 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 29, 8, 2
Bohrov model atoma: Ho (Holmij)
valence electron2
Lewis structure: Ho (Holmij)
electron configuration[Xe] 4f11 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f11 6s2
Enhanced Bohrov model atoma of Ho (Holmij)
Orbital Diagram of Ho (Holmij)
Oksidacijski broj0, 2, 3
Elektronegativnost
1.23
Electrophilicity Index
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
2.973,15 K
Talište
1.745,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
0,0000112 1/K
molar heat capacity
27,15 J/(mol K)
Specifični toplinski kapacitet
0,165 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,1 MS/m
Električna otpornost i provodnost
0,00000094 m Ω
Supravodljivost
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,00000549 m³/Kg
Magnetna susceptibilnost (Molar)
0,000000905467 m³/mol
Magnetna susceptibilnost (Volume)
0,0482845
magnetic ordering
Curieva temperatura
20 K
Néel temperature
132 K
struktura
Kristalna strukturaJednostavna heksagonska (HEX)
lattice constant
3,58 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
40 GPa
shear modulus
26 GPa
Youngov modul elastičnosti
65 GPa
Poissonov omjer
0,23
brzina zvuka
2.760 m/s
classification
KategorijaLantanoidi, 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
Nuklearni udarni presjek
64
Neutron Mass Absorption
0,015
Kvantni brojevi4I15/2
space group194 (P63/mmc)

Isotopes of Holmium

Stabilni izotopi1
Nestabilni izotopi38
Natural Isotopes1

140Ho

Maseni broj140
neutron number73
Relativna atomska masa
139,968526 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6 ± 3 ms
spin8
nuclear quadrupole moment
vrijeme otkrića ili izuma1999
Parnost+

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

141Ho

Maseni broj141
neutron number74
Relativna atomska masa
140,963108 ± 0,00043 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,1 ± 0,1 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost-

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

142Ho

Maseni broj142
neutron number75
Relativna atomska masa
141,96001 ± 0,00043 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
400 ± 100 ms
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma2001
Parnost-

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

143Ho

Maseni broj143
neutron number76
Relativna atomska masa
142,95486 ± 0,00032 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2000
Parnost-

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

144Ho

Maseni broj144
neutron number77
Relativna atomska masa
143,952109712 ± 0,0000091 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
700 ± 100 ms
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost-

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

145Ho

Maseni broj145
neutron number78
Relativna atomska masa
144,947267392 ± 0,000008 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,4 ± 0,1 s
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost-

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

146Ho

Maseni broj146
neutron number79
Relativna atomska masa
145,944993503 ± 0,000007071 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,32 ± 0,22 s
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost-

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

147Ho

Maseni broj147
neutron number80
Relativna atomska masa
146,940142293 ± 0,000005368 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,8 ± 0,4 s
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost-

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

148Ho

Maseni broj148
neutron number81
Relativna atomska masa
147,937743925 ± 0,00009 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,2 ± 1,1 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost+

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

149Ho

Maseni broj149
neutron number82
Relativna atomska masa
148,933820457 ± 0,000012866 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,1 ± 0,2 s
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost-

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

150Ho

Maseni broj150
neutron number83
Relativna atomska masa
149,933498353 ± 0,000015209 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
76,8 ± 1,8 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1963
Parnost

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

151Ho

Maseni broj151
neutron number84
Relativna atomska masa
150,931698176 ± 0,000008908 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
35,2 ± 0,1 s
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1963
Parnost-

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

152Ho

Maseni broj152
neutron number85
Relativna atomska masa
151,931717618 ± 0,000013449 Da
g-factor
−0,51 ± 0,01
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
161,8 ± 0,3 s
spin2
nuclear quadrupole moment
0,1 ± 0,2
vrijeme otkrića ili izuma1963
Parnost-

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

153Ho

Maseni broj153
neutron number86
Relativna atomska masa
152,930206671 ± 0,000005438 Da
g-factor
1,2345454545455 ± 0,0090909090909091
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,01 ± 0,03 m
spin11/2
nuclear quadrupole moment
−1,1 ± 0,5
vrijeme otkrića ili izuma1963
Parnost-

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

154Ho

Maseni broj154
neutron number87
Relativna atomska masa
153,930606776 ± 0,00000882 Da
g-factor
−0,3205 ± 0,003
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,76 ± 0,19 m
spin2
nuclear quadrupole moment
0,19 ± 0,1
vrijeme otkrića ili izuma1966
Parnost-

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

155Ho

Maseni broj155
neutron number88
Relativna atomska masa
154,929103363 ± 0,000018754 Da
g-factor
1,4 ± 0,012
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
48 ± 2 m
spin5/2
nuclear quadrupole moment
1,56 ± 0,12
vrijeme otkrića ili izuma1959
Parnost+

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

156Ho

Maseni broj156
neutron number89
Relativna atomska masa
155,929641634 ± 0,000041249 Da
g-factor
0,745 ± 0,0075
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
56 ± 1 m
spin4
nuclear quadrupole moment
2,4 ± 0,18
vrijeme otkrića ili izuma1957
Parnost-

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

157Ho

Maseni broj157
neutron number90
Relativna atomska masa
156,928251974 ± 0,000025194 Da
g-factor
1,24 ± 0,0085714285714286
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,6 ± 0,2 m
spin7/2
nuclear quadrupole moment
3,05 ± 0,13
vrijeme otkrića ili izuma1966
Parnost-

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

158Ho

Maseni broj158
neutron number91
Relativna atomska masa
157,92894491 ± 0,000029099 Da
g-factor
0,7552 ± 0,0006
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,3 ± 0,4 m
spin5
nuclear quadrupole moment
4,2 ± 0,4
vrijeme otkrića ili izuma1961
Parnost+

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

159Ho

Maseni broj159
neutron number92
Relativna atomska masa
158,927718683 ± 0,000003268 Da
g-factor
1,22 ± 0,0085714285714286
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
33,05 ± 0,11 m
spin7/2
nuclear quadrupole moment
3,27 ± 0,13
vrijeme otkrića ili izuma1958
Parnost-

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

160Ho

Maseni broj160
neutron number93
Relativna atomska masa
159,928735538 ± 0,00001612 Da
g-factor
0,74 ± 0,006
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25,6 ± 0,3 m
spin5
nuclear quadrupole moment
4 ± 0,2
vrijeme otkrića ili izuma1950
Parnost+

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

161Ho

Maseni broj161
neutron number94
Relativna atomska masa
160,927861815 ± 0,000002309 Da
g-factor
1,2114285714286 ± 0,0085714285714286
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,48 ± 0,05 h
spin7/2
nuclear quadrupole moment
3,3 ± 0,11
vrijeme otkrića ili izuma1954
Parnost-

decay modeintensity
ϵ (electron capture)100%

162Ho

Maseni broj162
neutron number95
Relativna atomska masa
161,929102543 ± 0,00000333 Da
g-factor
2,32 ± 0,03
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15 ± 1 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1957
Parnost+

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

163Ho

Maseni broj163
neutron number96
Relativna atomska masa
162,92874026 ± 0,000000744 Da
g-factor
1,2057142857143 ± 0,011428571428571
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,57 ± 0,025 ky
spin7/2
nuclear quadrupole moment
3,7 ± 0,6
vrijeme otkrića ili izuma1957
Parnost-

decay modeintensity
ϵ (electron capture)100%

164Ho

Maseni broj164
neutron number97
Relativna atomska masa
163,930240548 ± 0,000001492 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
28,8 ± 0,5 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1938
Parnost+

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

165Ho

Maseni broj165
neutron number98
Relativna atomska masa
164,930329116 ± 0,000000844 Da
g-factor
1,1885714285714 ± 0,0085714285714286
natural abundance
100
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,58 ± 0,02
vrijeme otkrića ili izuma1934
Parnost-

166Ho

Maseni broj166
neutron number99
Relativna atomska masa
165,932291209 ± 0,000000844 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,812 ± 0,007 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1936
Parnost-

decay modeintensity
β (β decay)100%

167Ho

Maseni broj167
neutron number100
Relativna atomska masa
166,933140254 ± 0,00000557 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,1 ± 0,1 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

decay modeintensity
β (β decay)100%

168Ho

Maseni broj168
neutron number101
Relativna atomska masa
167,935523766 ± 0,000032207 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,99 ± 0,07 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost+

decay modeintensity
β (β decay)100%

169Ho

Maseni broj169
neutron number102
Relativna atomska masa
168,93687989 ± 0,000021522 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,72 ± 0,1 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1963
Parnost-

decay modeintensity
β (β decay)100%

170Ho

Maseni broj170
neutron number103
Relativna atomska masa
169,939626548 ± 0,000053697 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,76 ± 0,05 m
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost+

decay modeintensity
β (β decay)100%

171Ho

Maseni broj171
neutron number104
Relativna atomska masa
170,941472713 ± 0,000644128 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
53 ± 2 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1989
Parnost-

decay modeintensity
β (β decay)100%

172Ho

Maseni broj172
neutron number105
Relativna atomska masa
171,94473 ± 0,00021 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25 ± 3 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1991
Parnost+

decay modeintensity
β (β decay)100%

173Ho

Maseni broj173
neutron number106
Relativna atomska masa
172,94702 ± 0,00032 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,1 ± 0,4 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

decay modeintensity
β (β decay)100%

174Ho

Maseni broj174
neutron number107
Relativna atomska masa
173,950757 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,7 ± 0,4 s
spin8
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

decay modeintensity
β (β decay)100%

175Ho

Maseni broj175
neutron number108
Relativna atomska masa
174,953516 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,88 ± 0,55 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

176Ho

Maseni broj176
neutron number109
Relativna atomska masa
175,957713 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)

177Ho

Maseni broj177
neutron number110
Relativna atomska masa
176,961052 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost-

decay modeintensity
β (β decay)100%
n (neutron emission)

178Ho

Maseni broj178
neutron number111
Relativna atomska masa
177,965507 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Holmium

povijest

otkrio/izumioJ.L. Soret
location of discoverySwitzerland
vrijeme otkrića ili izuma1878
EtimologijaFrom Holmia, the Latinized name for Stockholm, Sweden.
pronunciationHOLE-mi-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
1,3 mg/kg
natural abundance (ocean)
0,00000022 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)
0,0000059 %
natural abundance (Sunce)
0 %
Zastupljenost u svemiru
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