અર્બિયમનો

અર્બિયમનો (Er)

chemical element with atomic number 68
Atomic Number68
Atomic Weight167.259
mass number166
Group
Period6
Blockf
પ્રોટોન68 p+
neutron98 n0
ઈલેક્ટ્રોન68 e-
Animated બૉહરનો સિદ્ધાંત of Er (અર્બિયમનો)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: અર્બિયમનો0102030405060708090100110120130140150160170180190200210220230pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

રાસાયણિક ગુણધર્મ

ઉર્જા
proton affinity
electron affinity
ionization energy
ionization energy of Er (અર્બિયમનો)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
ઈલેક્ટ્રોન
electron shell2, 8, 18, 30, 8, 2
બૉહરનો સિદ્ધાંત: Er (અર્બિયમનો)
valence electron2
Lewis structure: Er (અર્બિયમનો)
electron configuration[Xe] 4f12 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f12 6s2
Enhanced બૉહરનો સિદ્ધાંત of Er (અર્બિયમનો)
Orbital Diagram of Er (અર્બિયમનો)
oxidation number0, 2, 3
વિદ્યુતઋણતા
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
color
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
magnetism
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
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0.24
અવાજની ઝડપ
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
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

mass number142
neutron number74
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ
પૅરિટી+

decay modeintensity
p (proton emission)

143Er

mass number143
neutron number75
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ9/2
nuclear quadrupole moment
શોધની તારીખ2005
પૅરિટી-

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

144Er

mass number144
neutron number76
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ2003
પૅરિટી+

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

145Er

mass number145
neutron number77
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
900 ± 200 ms
પ્રચક્રણ1/2
nuclear quadrupole moment
0
શોધની તારીખ1989
પૅરિટી+

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

146Er

mass number146
neutron number78
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1.7 ± 0.6 s
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1993
પૅરિટી+

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

147Er

mass number147
neutron number79
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3.2 ± 1.2 s
પ્રચક્રણ1/2
nuclear quadrupole moment
0
શોધની તારીખ1992
પૅરિટી+

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

148Er

mass number148
neutron number80
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4.6 ± 0.2 s
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1982
પૅરિટી+

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

149Er

mass number149
neutron number81
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4 ± 2 s
પ્રચક્રણ1/2
nuclear quadrupole moment
0
શોધની તારીખ1984
પૅરિટી+

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

150Er

mass number150
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
18.5 ± 0.7 s
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1982
પૅરિટી+

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

151Er

mass number151
neutron number83
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23.5 ± 2 s
પ્રચક્રણ7/2
nuclear quadrupole moment
શોધની તારીખ1970
પૅરિટી-

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

152Er

mass number152
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
10.3 ± 0.1 s
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1963
પૅરિટી+

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

153Er

mass number153
neutron number85
Relative Atomic Mass
g-factor
-0.26628571428571 ± 0.002
natural abundance
radioactivity☢️ radioactive element
half-life
37.1 ± 0.2 s
પ્રચક્રણ7/2
nuclear quadrupole moment
-0.42 ± 0.02
શોધની તારીખ1963
પૅરિટી-

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

154Er

mass number154
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3.73 ± 0.09 m
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1963
પૅરિટી+

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

155Er

mass number155
neutron number87
Relative Atomic Mass
g-factor
-0.19028571428571 ± 0.0014285714285714
natural abundance
radioactivity☢️ radioactive element
half-life
5.3 ± 0.3 m
પ્રચક્રણ7/2
nuclear quadrupole moment
-0.27 ± 0.02
શોધની તારીખ1969
પૅરિટી-

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

156Er

mass number156
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
19.5 ± 1 m
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1967
પૅરિટી+

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

157Er

mass number157
neutron number89
Relative Atomic Mass
g-factor
-0.274 ± 0.002
natural abundance
radioactivity☢️ radioactive element
half-life
18.65 ± 0.1 m
પ્રચક્રણ3/2
nuclear quadrupole moment
0.92 ± 0.01
શોધની તારીખ1966
પૅરિટી-

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

158Er

mass number158
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2.29 ± 0.06 h
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1961
પૅરિટી+

decay modeintensity
ϵ (electron capture)100%

159Er

mass number159
neutron number91
Relative Atomic Mass
g-factor
-0.202 ± 0.0013333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
36 ± 1 m
પ્રચક્રણ3/2
nuclear quadrupole moment
1.17 ± 0.01
શોધની તારીખ1962
પૅરિટી-

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

160Er

mass number160
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
28.58 ± 0.09 h
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1954
પૅરિટી+

decay modeintensity
ϵ (electron capture)100%

161Er

mass number161
neutron number93
Relative Atomic Mass
g-factor
-0.24266666666667 ± 0.002
natural abundance
radioactivity☢️ radioactive element
half-life
3.21 ± 0.03 h
પ્રચક્રણ3/2
nuclear quadrupole moment
1.363 ± 0.008
શોધની તારીખ1954
પૅરિટી-

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

162Er

mass number162
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
0.139 ± 0.005
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1938
પૅરિટી+

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

163Er

mass number163
neutron number95
Relative Atomic Mass
g-factor
0.2224 ± 0.0016
natural abundance
radioactivity☢️ radioactive element
half-life
75 ± 0.4 m
પ્રચક્રણ5/2
nuclear quadrupole moment
2.56 ± 0.02
શોધની તારીખ1953
પૅરિટી-

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

164Er

mass number164
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
1.601 ± 0.003
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1938
પૅરિટી+

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

165Er

mass number165
neutron number97
Relative Atomic Mass
g-factor
0.2564 ± 0.0016
natural abundance
radioactivity☢️ radioactive element
half-life
10.36 ± 0.04 h
પ્રચક્રણ5/2
nuclear quadrupole moment
2.71 ± 0.03
શોધની તારીખ1950
પૅરિટી-

decay modeintensity
ϵ (electron capture)100%

166Er

mass number166
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
33.503 ± 0.036
radioactivitystable isotope
half-lifeNot Radioactive ☢️
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1934
પૅરિટી+

167Er

mass number167
neutron number99
Relative Atomic Mass
g-factor
-0.16065714285714 ± 0.00011428571428571
natural abundance
22.869 ± 0.009
radioactivitystable isotope
half-lifeNot Radioactive ☢️
પ્રચક્રણ7/2
nuclear quadrupole moment
3.57 ± 0.03
શોધની તારીખ1934
પૅરિટી+

168Er

mass number168
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
26.978 ± 0.018
radioactivitystable isotope
half-lifeNot Radioactive ☢️
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1934
પૅરિટી+

169Er

mass number169
neutron number101
Relative Atomic Mass
g-factor
0.9656 ± 0.0008
natural abundance
radioactivity☢️ radioactive element
half-life
9.392 ± 0.018 d
પ્રચક્રણ1/2
nuclear quadrupole moment
0
શોધની તારીખ1956
પૅરિટી-

decay modeintensity
β (β decay)100%

170Er

mass number170
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
14.91 ± 0.036
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1934
પૅરિટી+

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

171Er

mass number171
neutron number103
Relative Atomic Mass
g-factor
0.2628 ± 0.004
natural abundance
radioactivity☢️ radioactive element
half-life
7.516 ± 0.002 h
પ્રચક્રણ5/2
nuclear quadrupole moment
2.86 ± 0.09
શોધની તારીખ1938
પૅરિટી-

decay modeintensity
β (β decay)100%

172Er

mass number172
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
49.3 ± 0.5 h
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1956
પૅરિટી+

decay modeintensity
β (β decay)100%

173Er

mass number173
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.434 ± 0.017 m
પ્રચક્રણ7/2
nuclear quadrupole moment
શોધની તારીખ1972
પૅરિટી-

decay modeintensity
β (β decay)100%

174Er

mass number174
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3.2 ± 0.2 m
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ1989
પૅરિટી+

decay modeintensity
β (β decay)100%

175Er

mass number175
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.2 ± 0.3 m
પ્રચક્રણ9/2
nuclear quadrupole moment
શોધની તારીખ1996
પૅરિટી+

decay modeintensity
β (β decay)100%

176Er

mass number176
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ2012
પૅરિટી+

decay modeintensity
β (β decay)

177Er

mass number177
neutron number109
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ1/2
nuclear quadrupole moment
0
શોધની તારીખ2012
પૅરિટી-

decay modeintensity
β (β decay)

178Er

mass number178
neutron number110
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ2012
પૅરિટી+

decay modeintensity
β (β decay)

179Er

mass number179
neutron number111
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ3/2
nuclear quadrupole moment
શોધની તારીખ2018
પૅરિટી-

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

180Er

mass number180
neutron number112
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
પ્રચક્રણ0
nuclear quadrupole moment
0
શોધની તારીખ2018
પૅરિટી+

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

ઈતિહાસ

શોધક અથવા સંશોધકCarl Mosander
શોધનું સ્થળSweden
શોધની તારીખ1843
etymologyNamed after the Swedish town, Ytterby.
ઉચ્ચારUR-bi-em (અંગ્રેજી)

source

Abundance
Abundance in Earth's crust
natural abundance (ocean)
natural abundance (માનવ શરીર)
natural abundance (ઉલ્કા)
0.000018 %
natural abundance (સૂર્ય)
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