Erbium

Erbium (Er)

chemical element with atomic number 68
Atomic Number68
Atomic Weight167.259
Massagetal166
Group
Period6
Blockf
proton68 p+
neutron98 n0
elektron68 e-
Animated Bohr model of Er (Erbium)

Physical Property

Atoomradius
molar volume
Covalent Radius
Metallic Radius
Ioonradius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Erbium0102030405060708090100110120130140150160170180190200210220230pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
ionization energy of Er (Erbium)
Verdampingswarmte
smeltingswarmte
Vormingsentalpie
elektron
Elektronskil2, 8, 18, 30, 8, 2
Bohr model: Er (Erbium)
Valenselektrone2
Lewisteorie: Er (Erbium)
elektronkonfigurasie[Xe] 4f12 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f12 6s2
Enhanced Bohr model of Er (Erbium)
Orbital Diagram of Er (Erbium)
Oksidasietoestand0, 2, 3
Elektronegatiwiteit
1.24
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearancesilvery white
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
Elektriese resistiwiteit
superconductivity
Magnetisme
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
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Massamodulus
Skuifmodulus
Young se modulus
Poisson se verhouding
0,24
Spoed van klank
classification
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
Ruimtegroep194 (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

Massagetal142
neutron number74
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum
parity+

decay modeintensity
p (proton emission)

143Er

Massagetal143
neutron number75
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin9/2
nuclear quadrupole moment
ontdekkingsdatum2005
parity-

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

144Er

Massagetal144
neutron number76
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2003
parity+

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

145Er

Massagetal145
neutron number77
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
900 ± 200 ms
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1989
parity+

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

146Er

Massagetal146
neutron number78
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,7 ± 0,6 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1993
parity+

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

147Er

Massagetal147
neutron number79
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,2 ± 1,2 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1992
parity+

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

148Er

Massagetal148
neutron number80
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,6 ± 0,2 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1982
parity+

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

149Er

Massagetal149
neutron number81
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4 ± 2 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1984
parity+

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

150Er

Massagetal150
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
18,5 ± 0,7 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1982
parity+

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

151Er

Massagetal151
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
23,5 ± 2 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1970
parity-

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

152Er

Massagetal152
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
10,3 ± 0,1 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1963
parity+

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

153Er

Massagetal153
neutron number85
Relative Atomic Mass
g-factor
-0,26628571428571 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
37,1 ± 0,2 s
spin7/2
nuclear quadrupole moment
-0,42 ± 0,02
ontdekkingsdatum1963
parity-

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

154Er

Massagetal154
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,73 ± 0,09 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1963
parity+

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

155Er

Massagetal155
neutron number87
Relative Atomic Mass
g-factor
-0,19028571428571 ± 0,0014285714285714
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,3 ± 0,3 m
spin7/2
nuclear quadrupole moment
-0,27 ± 0,02
ontdekkingsdatum1969
parity-

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

156Er

Massagetal156
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
19,5 ± 1 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1967
parity+

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

157Er

Massagetal157
neutron number89
Relative Atomic Mass
g-factor
-0,274 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
18,65 ± 0,1 m
spin3/2
nuclear quadrupole moment
0,92 ± 0,01
ontdekkingsdatum1966
parity-

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

158Er

Massagetal158
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,29 ± 0,06 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1961
parity+

decay modeintensity
ϵ (electron capture)100%

159Er

Massagetal159
neutron number91
Relative Atomic Mass
g-factor
-0,202 ± 0,0013333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
36 ± 1 m
spin3/2
nuclear quadrupole moment
1,17 ± 0,01
ontdekkingsdatum1962
parity-

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

160Er

Massagetal160
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
28,58 ± 0,09 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1954
parity+

decay modeintensity
ϵ (electron capture)100%

161Er

Massagetal161
neutron number93
Relative Atomic Mass
g-factor
-0,24266666666667 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,21 ± 0,03 h
spin3/2
nuclear quadrupole moment
1,363 ± 0,008
ontdekkingsdatum1954
parity-

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

162Er

Massagetal162
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
0,139 ± 0,005
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1938
parity+

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

163Er

Massagetal163
neutron number95
Relative Atomic Mass
g-factor
0,2224 ± 0,0016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
75 ± 0,4 m
spin5/2
nuclear quadrupole moment
2,56 ± 0,02
ontdekkingsdatum1953
parity-

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

164Er

Massagetal164
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
1,601 ± 0,003
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1938
parity+

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

165Er

Massagetal165
neutron number97
Relative Atomic Mass
g-factor
0,2564 ± 0,0016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
10,36 ± 0,04 h
spin5/2
nuclear quadrupole moment
2,71 ± 0,03
ontdekkingsdatum1950
parity-

decay modeintensity
ϵ (electron capture)100%

166Er

Massagetal166
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
33,503 ± 0,036
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

167Er

Massagetal167
neutron number99
Relative Atomic Mass
g-factor
-0,16065714285714 ± 0,00011428571428571
natural abundance
22,869 ± 0,009
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,57 ± 0,03
ontdekkingsdatum1934
parity+

168Er

Massagetal168
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
26,978 ± 0,018
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

169Er

Massagetal169
neutron number101
Relative Atomic Mass
g-factor
0,9656 ± 0,0008
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,392 ± 0,018 d
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1956
parity-

decay modeintensity
β (β decay)100%

170Er

Massagetal170
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
14,91 ± 0,036
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

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

171Er

Massagetal171
neutron number103
Relative Atomic Mass
g-factor
0,2628 ± 0,004
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,516 ± 0,002 h
spin5/2
nuclear quadrupole moment
2,86 ± 0,09
ontdekkingsdatum1938
parity-

decay modeintensity
β (β decay)100%

172Er

Massagetal172
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
49,3 ± 0,5 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1956
parity+

decay modeintensity
β (β decay)100%

173Er

Massagetal173
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,434 ± 0,017 m
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1972
parity-

decay modeintensity
β (β decay)100%

174Er

Massagetal174
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,2 ± 0,2 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1989
parity+

decay modeintensity
β (β decay)100%

175Er

Massagetal175
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,2 ± 0,3 m
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1996
parity+

decay modeintensity
β (β decay)100%

176Er

Massagetal176
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity+

decay modeintensity
β (β decay)

177Er

Massagetal177
neutron number109
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity-

decay modeintensity
β (β decay)

178Er

Massagetal178
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity+

decay modeintensity
β (β decay)

179Er

Massagetal179
neutron number111
Relative Atomic Mass
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum2018
parity-

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

180Er

Massagetal180
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2018
parity+

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

geskiedenis

Ontdek deurCarl Mosander
ligging van ontdekkingSweden
ontdekkingsdatum1843
etimologieNamed after the Swedish town, Ytterby.
uitspraakUR-bi-em (Engels)

source

Abundance
Abundance in Earth's crust
natural abundance (oseaan)
natural abundance (human body)
natural abundance (Meteoroïde)
0,000018 %
natural abundance (Son)
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