Holmij[um]

Holmij[um] (Ho)

hemijski element sa simbolom Ho i atomskim brojem 67
Atomic Number67
Atomic Weight164.93033
Maseni broj165
Group
Period6
Blockf
Proton67 p+
Neutron98 n0
Elektron67 e-
Animated Bohrov model atoma of Ho (Holmij[um])

Physical Property

Atomski Radijus
175 pm
Molarni volumen
covalent radius
166 pm
Metallic Radius
Ionski radijus
90,1 pm
Crystal Radius
104,1 pm
Van der Waalsov radijus
230 pm
gustoća
8,8 g/cm³
Atomic Radii Of The Elements: Holmij[um]0102030405060708090100110120130140150160170180190200210220230pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Ho (Holmij[um])
Toplota isparavanja
301 kJ/mol
toplota topljenja
standard enthalpy of formation
300,6 kJ/mol
Elektron
electron shell2, 8, 18, 29, 8, 2
Bohrov model atoma: Ho (Holmij[um])
Valentni elektron2
Lewis structure: Ho (Holmij[um])
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[um])
Orbital Diagram of Ho (Holmij[um])
oksidacijsko stanje0, 2, 3
Elektronegativnost
1.23
Electrophilicity Index
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
2.973,15 K
Melting Point
1.745,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
thermal expansion
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
Specifična električna provodljivost
1,1 MS/m
electrical resistivity
0,00000094 m Ω
Superprovodljivost
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,00000549 m³/Kg
magnetic susceptibility (Molar)
0,000000905467 m³/mol
magnetic susceptibility (Volume)
0,0482845
magnetic ordering
Kirijeva tačka
20 K
Néel temperature
132 K
struktura
Crystal StructureSimple Hexagonal (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
Young's modulus
65 GPa
Poisson's ratio
0,23
Brzina zvuka
2.760 m/s
klasifikacija
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
Kvantni brojevi4I15/2
space group194 (P63/mmc)

Isotopes of Holmium

Stable Isotopes1
Unstable Isotopes38
Natural Isotopes1

140Ho

Maseni broj140
broj neutrona73
relative atomic mass
139,968526 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6 ± 3 ms
spin8
nuclear quadrupole moment
datum otkrića1999
parity+

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

141Ho

Maseni broj141
broj neutrona74
relative atomic mass
140,963108 ± 0,00043 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,1 ± 0,1 ms
spin7/2
nuclear quadrupole moment
datum otkrića1998
parity-

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

142Ho

Maseni broj142
broj neutrona75
relative atomic mass
141,96001 ± 0,00043 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
400 ± 100 ms
spin7
nuclear quadrupole moment
datum otkrića2001
parity-

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

143Ho

Maseni broj143
broj neutrona76
relative atomic mass
142,95486 ± 0,00032 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin11/2
nuclear quadrupole moment
datum otkrića2000
parity-

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

144Ho

Maseni broj144
broj neutrona77
relative atomic mass
143,952109712 ± 0,0000091 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
700 ± 100 ms
spin5
nuclear quadrupole moment
datum otkrića1986
parity-

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

145Ho

Maseni broj145
broj neutrona78
relative atomic mass
144,947267392 ± 0,000008 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,4 ± 0,1 s
spin11/2
nuclear quadrupole moment
datum otkrića1987
parity-

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

146Ho

Maseni broj146
broj neutrona79
relative atomic mass
145,944993503 ± 0,000007071 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,32 ± 0,22 s
spin6
nuclear quadrupole moment
datum otkrića1982
parity-

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

147Ho

Maseni broj147
broj neutrona80
relative atomic mass
146,940142293 ± 0,000005368 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,8 ± 0,4 s
spin11/2
nuclear quadrupole moment
datum otkrića1982
parity-

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

148Ho

Maseni broj148
broj neutrona81
relative atomic mass
147,937743925 ± 0,00009 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,2 ± 1,1 s
spin1
nuclear quadrupole moment
datum otkrića1979
parity+

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

149Ho

Maseni broj149
broj neutrona82
relative atomic mass
148,933820457 ± 0,000012866 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,1 ± 0,2 s
spin11/2
nuclear quadrupole moment
datum otkrića1979
parity-

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

150Ho

Maseni broj150
broj neutrona83
relative atomic mass
149,933498353 ± 0,000015209 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
76,8 ± 1,8 s
spin2
nuclear quadrupole moment
datum otkrića1963
parity

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

151Ho

Maseni broj151
broj neutrona84
relative atomic mass
150,931698176 ± 0,000008908 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
35,2 ± 0,1 s
spin11/2
nuclear quadrupole moment
datum otkrića1963
parity-

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

152Ho

Maseni broj152
broj neutrona85
relative atomic mass
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
datum otkrića1963
parity-

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

153Ho

Maseni broj153
broj neutrona86
relative atomic mass
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
datum otkrića1963
parity-

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

154Ho

Maseni broj154
broj neutrona87
relative atomic mass
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
datum otkrića1966
parity-

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

155Ho

Maseni broj155
broj neutrona88
relative atomic mass
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
datum otkrića1959
parity+

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

156Ho

Maseni broj156
broj neutrona89
relative atomic mass
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
datum otkrića1957
parity-

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

157Ho

Maseni broj157
broj neutrona90
relative atomic mass
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
datum otkrića1966
parity-

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

158Ho

Maseni broj158
broj neutrona91
relative atomic mass
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
datum otkrića1961
parity+

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

159Ho

Maseni broj159
broj neutrona92
relative atomic mass
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
datum otkrića1958
parity-

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

160Ho

Maseni broj160
broj neutrona93
relative atomic mass
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
datum otkrića1950
parity+

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

161Ho

Maseni broj161
broj neutrona94
relative atomic mass
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
datum otkrića1954
parity-

decay modeintensity
ϵ (electron capture)100%

162Ho

Maseni broj162
broj neutrona95
relative atomic mass
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
datum otkrića1957
parity+

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

163Ho

Maseni broj163
broj neutrona96
relative atomic mass
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
datum otkrića1957
parity-

decay modeintensity
ϵ (electron capture)100%

164Ho

Maseni broj164
broj neutrona97
relative atomic mass
163,930240548 ± 0,000001492 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
28,8 ± 0,5 m
spin1
nuclear quadrupole moment
datum otkrića1938
parity+

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

165Ho

Maseni broj165
broj neutrona98
relative atomic mass
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
datum otkrića1934
parity-

166Ho

Maseni broj166
broj neutrona99
relative atomic mass
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
datum otkrića1936
parity-

decay modeintensity
β (β decay)100%

167Ho

Maseni broj167
broj neutrona100
relative atomic mass
166,933140254 ± 0,00000557 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,1 ± 0,1 h
spin7/2
nuclear quadrupole moment
datum otkrića1955
parity-

decay modeintensity
β (β decay)100%

168Ho

Maseni broj168
broj neutrona101
relative atomic mass
167,935523766 ± 0,000032207 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,99 ± 0,07 m
spin3
nuclear quadrupole moment
datum otkrića1960
parity+

decay modeintensity
β (β decay)100%

169Ho

Maseni broj169
broj neutrona102
relative atomic mass
168,93687989 ± 0,000021522 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,72 ± 0,1 m
spin7/2
nuclear quadrupole moment
datum otkrića1963
parity-

decay modeintensity
β (β decay)100%

170Ho

Maseni broj170
broj neutrona103
relative atomic mass
169,939626548 ± 0,000053697 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,76 ± 0,05 m
spin6
nuclear quadrupole moment
datum otkrića1960
parity+

decay modeintensity
β (β decay)100%

171Ho

Maseni broj171
broj neutrona104
relative atomic mass
170,941472713 ± 0,000644128 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
53 ± 2 s
spin7/2
nuclear quadrupole moment
datum otkrića1989
parity-

decay modeintensity
β (β decay)100%

172Ho

Maseni broj172
broj neutrona105
relative atomic mass
171,94473 ± 0,00021 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25 ± 3 s
spin0
nuclear quadrupole moment
0
datum otkrića1991
parity+

decay modeintensity
β (β decay)100%

173Ho

Maseni broj173
broj neutrona106
relative atomic mass
172,94702 ± 0,00032 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,1 ± 0,4 s
spin7/2
nuclear quadrupole moment
datum otkrića2012
parity-

decay modeintensity
β (β decay)100%

174Ho

Maseni broj174
broj neutrona107
relative atomic mass
173,950757 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,7 ± 0,4 s
spin8
nuclear quadrupole moment
datum otkrića2012
parity-

decay modeintensity
β (β decay)100%

175Ho

Maseni broj175
broj neutrona108
relative atomic mass
174,953516 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,88 ± 0,55 s
spin7/2
nuclear quadrupole moment
datum otkrića2012
parity-

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

176Ho

Maseni broj176
broj neutrona109
relative atomic mass
175,957713 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin4
nuclear quadrupole moment
datum otkrića2012
parity+

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

177Ho

Maseni broj177
broj neutrona110
relative atomic mass
176,961052 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića2018
parity-

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

178Ho

Maseni broj178
broj neutrona111
relative atomic mass
177,965507 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
datum otkrića2018
parity+

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

historija

otkrivač ili izumiteljJ.L. Soret
mjesto otkrićaSwitzerland
datum otkrića1878
EtimologijaFrom Holmia, the Latinized name for Stockholm, Sweden.
pronunciationHOLE-mi-em (engleski)

izvor

Abundance
Abundance in Earth's crust
1,3 mg/kg
natural abundance (okean)
0,00000022 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,0000059 %
natural abundance (Sunce)
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