Erbiom

Erbiom (Er)

chemical element with atomic number 68
Atomic Number68
Atomic Weight167.259
Niver mas166
Group
Period6
Blockf
Proton68 p+
Neutron98 n0
Elektron68 e-
Animated Bohr model of Er (Erbiom)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Erbiom0102030405060708090100110120130140150160170180190200210220230pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energiezh
proton affinity
electron affinity
ionization energy
ionization energy of Er (Erbiom)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 30, 8, 2
Bohr model: Er (Erbiom)
valence electron2
Lewis structure: Er (Erbiom)
electron configuration[Xe] 4f12 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f12 6s2
Enhanced Bohr model of Er (Erbiom)
Orbital Diagram of Er (Erbiom)
oxidation number0, 2, 3
electronegativity
1.24
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Poent tric'hement
appearance
liv
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
Gwarellegezh
typeparamagnetic
magnetic susceptibility (Mass)
0,00000377 m³/Kg
magnetic susceptibility (Molar)
0,000000630566 m³/mol
magnetic susceptibility (Volume)
0,0341788
magnetic ordering
Curie temperature
Néel temperature
framm
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0,24
speed of sound
rummatadur
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number22
Mendeleev Number35
Pettifor Number23
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
165
Neutron Mass Absorption
0,036
quantum number3H6
space group194 (P63/mmc)

Isotopes of Erbium

Stable Isotopes3
Unstable Isotopes36
Natural Isotopes6
Isotopic Composition16633.50%16633.50%16826.98%16826.98%16722.87%16722.87%17014.91%17014.91%1641.60%1641.60%1620.14%1620.14%

142Er

Niver mas142
niver a neutron74
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

143Er

Niver mas143
niver a neutron75
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention2005
parity-

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

144Er

Niver mas144
niver a neutron76
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2003
parity+

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

145Er

Niver mas145
niver a neutron77
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
900 ± 200 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1989
parity+

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

146Er

Niver mas146
niver a neutron78
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,7 ± 0,6 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1993
parity+

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

147Er

Niver mas147
niver a neutron79
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,2 ± 1,2 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1992
parity+

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

148Er

Niver mas148
niver a neutron80
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4,6 ± 0,2 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.15%

149Er

Niver mas149
niver a neutron81
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4 ± 2 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1984
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)7%

150Er

Niver mas150
niver a neutron82
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
18,5 ± 0,7 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

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

151Er

Niver mas151
niver a neutron83
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23,5 ± 2 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

152Er

Niver mas152
niver a neutron84
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
10,3 ± 0,1 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1963
parity+

decay modeintensity
α (α emission)90%
β+ (β+ decay; β+ = ϵ + e+)10%

153Er

Niver mas153
niver a neutron85
Relative Atomic Mass
g-factor
-0,26628571428571 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
37,1 ± 0,2 s
spin7/2
nuclear quadrupole moment
-0,42 ± 0,02
time of discovery or invention1963
parity-

decay modeintensity
α (α emission)53%
β+ (β+ decay; β+ = ϵ + e+)47%

154Er

Niver mas154
niver a neutron86
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,73 ± 0,09 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1963
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.47%

155Er

Niver mas155
niver a neutron87
Relative Atomic Mass
g-factor
-0,19028571428571 ± 0,0014285714285714
natural abundance
radioactivity☢️ radioactive element
half-life
5,3 ± 0,3 m
spin7/2
nuclear quadrupole moment
-0,27 ± 0,02
time of discovery or invention1969
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.978%
α (α emission)0.022%

156Er

Niver mas156
niver a neutron88
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
19,5 ± 1 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)1.2%

157Er

Niver mas157
niver a neutron89
Relative Atomic Mass
g-factor
-0,274 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
18,65 ± 0,1 m
spin3/2
nuclear quadrupole moment
0,92 ± 0,01
time of discovery or invention1966
parity-

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

158Er

Niver mas158
niver a neutron90
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,29 ± 0,06 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

decay modeintensity
ϵ (electron capture)100%

159Er

Niver mas159
niver a neutron91
Relative Atomic Mass
g-factor
-0,202 ± 0,0013333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
36 ± 1 m
spin3/2
nuclear quadrupole moment
1,17 ± 0,01
time of discovery or invention1962
parity-

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

160Er

Niver mas160
niver a neutron92
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
28,58 ± 0,09 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

decay modeintensity
ϵ (electron capture)100%

161Er

Niver mas161
niver a neutron93
Relative Atomic Mass
g-factor
-0,24266666666667 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
3,21 ± 0,03 h
spin3/2
nuclear quadrupole moment
1,363 ± 0,008
time of discovery or invention1954
parity-

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

162Er

Niver mas162
niver a neutron94
Relative Atomic Mass
g-factor
0
natural abundance
0,139 ± 0,005
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

decay modeintensity
α (α emission)
+ (double β+ decay)

163Er

Niver mas163
niver a neutron95
Relative Atomic Mass
g-factor
0,2224 ± 0,0016
natural abundance
radioactivity☢️ radioactive element
half-life
75 ± 0,4 m
spin5/2
nuclear quadrupole moment
2,56 ± 0,02
time of discovery or invention1953
parity-

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

164Er

Niver mas164
niver a neutron96
Relative Atomic Mass
g-factor
0
natural abundance
1,601 ± 0,003
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

decay modeintensity
α (α emission)
+ (double β+ decay)

165Er

Niver mas165
niver a neutron97
Relative Atomic Mass
g-factor
0,2564 ± 0,0016
natural abundance
radioactivity☢️ radioactive element
half-life
10,36 ± 0,04 h
spin5/2
nuclear quadrupole moment
2,71 ± 0,03
time of discovery or invention1950
parity-

decay modeintensity
ϵ (electron capture)100%

166Er

Niver mas166
niver a neutron98
Relative Atomic Mass
g-factor
0
natural abundance
33,503 ± 0,036
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

167Er

Niver mas167
niver a neutron99
Relative Atomic Mass
g-factor
-0,16065714285714 ± 0,00011428571428571
natural abundance
22,869 ± 0,009
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,57 ± 0,03
time of discovery or invention1934
parity+

168Er

Niver mas168
niver a neutron100
Relative Atomic Mass
g-factor
0
natural abundance
26,978 ± 0,018
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

169Er

Niver mas169
niver a neutron101
Relative Atomic Mass
g-factor
0,9656 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
9,392 ± 0,018 d
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1956
parity-

decay modeintensity
β (β decay)100%

170Er

Niver mas170
niver a neutron102
Relative Atomic Mass
g-factor
0
natural abundance
14,91 ± 0,036
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

decay modeintensity
(double β decay)
α (α emission)

171Er

Niver mas171
niver a neutron103
Relative Atomic Mass
g-factor
0,2628 ± 0,004
natural abundance
radioactivity☢️ radioactive element
half-life
7,516 ± 0,002 h
spin5/2
nuclear quadrupole moment
2,86 ± 0,09
time of discovery or invention1938
parity-

decay modeintensity
β (β decay)100%

172Er

Niver mas172
niver a neutron104
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
49,3 ± 0,5 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1956
parity+

decay modeintensity
β (β decay)100%

173Er

Niver mas173
niver a neutron105
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,434 ± 0,017 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1972
parity-

decay modeintensity
β (β decay)100%

174Er

Niver mas174
niver a neutron106
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,2 ± 0,2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1989
parity+

decay modeintensity
β (β decay)100%

175Er

Niver mas175
niver a neutron107
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,2 ± 0,3 m
spin9/2
nuclear quadrupole moment
time of discovery or invention1996
parity+

decay modeintensity
β (β decay)100%

176Er

Niver mas176
niver a neutron108
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)

177Er

Niver mas177
niver a neutron109
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2012
parity-

decay modeintensity
β (β decay)

178Er

Niver mas178
niver a neutron110
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)

179Er

Niver mas179
niver a neutron111
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention2018
parity-

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

180Er

Niver mas180
niver a neutron112
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2018
parity+

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

istor

dizoloer pe ijinerCarl Mosander
location of discoverySweden
time of discovery or invention1843
EtimologiezhNamed after the Swedish town, Ytterby.
pronunciationUR-bi-em (saozneg)

mammenn

Abundance
Abundance in Earth's crust
natural abundance (meurvor)
natural abundance (human body)
natural abundance (meteoroid)
0,000018 %
natural abundance (Heol)
0,0000001 %
Abundance in Universe
0,0000002 %

Nuclear Screening Constants

1s1.3263
2p4.346
2s17.7984
3d13.6397
3p20.3891
3s20.9231
4d35.7288
4f40.0216
4p32.8908
4s31.768
5p50.528
5s48.282
6s59.5238