Erbium

Erbium (Er)

chemical element with atomic number 68
Atomic Number68
Atomic Weight167.259
Numri i masës166
Group
Period6
Blockf
protoni68 p+
neutroni98 n0
elektroni68 e-
Animated Bohr model of Er (Erbium)

Tipar Fizik

Atomic Radius
175 pm
molar volume
covalent radius
165 pm
Metallic Radius
ionic radius
89 pm
Crystal Radius
103 pm
Van der Waals radius
229 pm
density
9,07 g/cm³
Atomic Radii Of The Elements: Erbium0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Er (Erbium)
enthalpy of vaporization
317 kJ/mol
enthalpy of fusion
standard enthalpy of formation
316,4 kJ/mol
elektroni
electron shell2, 8, 18, 30, 8, 2
Bohr model: Er (Erbium)
valence electron2
Lewis structure: Er (Erbium)
konfigurimi i elektronit[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)
oxidation number0, 2, 3
Elektronegativiteti
1.24
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
3 141,15 K
Melting Point
1 802,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000122 1/K
molar heat capacity
28,12 J/(mol K)
Specific Heat Capacity
0,168 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,2 MS/m
electrical resistivity
0,00000086 m Ω
Superpërcjellshmëria
Magnetizimi
typeparamagnetic
magnetic susceptibility (Mass)
0,00000377 m³/Kg
magnetic susceptibility (Molar)
0,000000630566 m³/mol
magnetic susceptibility (Volume)
0,0341788
magnetic ordering
Curie temperature
32 K
Néel temperature
82 K
strukturë
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,56 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
44 GPa
shear modulus
28 GPa
Young's modulus
70 GPa
Poisson's ratio
0,24
Shpejtësia e zërit
2 830 m/s
klasifikim
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number22
Mendeleev Number35
Pettifor Number23
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
150 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
165
Neutron Mass Absorption
0,036
numër kuantik3H6
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

Numri i masës142
numri i neutroneve74
relative atomic mass
141,970016 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

143Er

Numri i masës143
numri i neutroneve75
relative atomic mass
142,966548 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2005
parity-

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

144Er

Numri i masës144
numri i neutroneve76
relative atomic mass
143,9607 ± 0,00021 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2003
parity+

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

145Er

Numri i masës145
numri i neutroneve77
relative atomic mass
144,957874 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
900 ± 200 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1989
parity+

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

146Er

Numri i masës146
numri i neutroneve78
relative atomic mass
145,952418357 ± 0,000007197 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,7 ± 0,6 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1993
parity+

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

147Er

Numri i masës147
numri i neutroneve79
relative atomic mass
146,949964456 ± 0,000041 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,2 ± 1,2 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1992
parity+

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

148Er

Numri i masës148
numri i neutroneve80
relative atomic mass
147,944735026 ± 0,000011 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,6 ± 0,2 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1982
parity+

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

149Er

Numri i masës149
numri i neutroneve81
relative atomic mass
148,942306 ± 0,00003 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4 ± 2 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1984
parity+

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

150Er

Numri i masës150
numri i neutroneve82
relative atomic mass
149,937915524 ± 0,000018458 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,5 ± 0,7 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1982
parity+

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

151Er

Numri i masës151
numri i neutroneve83
relative atomic mass
150,937448567 ± 0,000017681 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
23,5 ± 2 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity-

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

152Er

Numri i masës152
numri i neutroneve84
relative atomic mass
151,935050347 ± 0,000009478 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,3 ± 0,1 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1963
parity+

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

153Er

Numri i masës153
numri i neutroneve85
relative atomic mass
152,93508635 ± 0,000009967 Da
g-factor
-0,26628571428571 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
37,1 ± 0,2 s
Spini7/2
nuclear quadrupole moment
-0,42 ± 0,02
koha e zbulimit apo shpikjes1963
parity-

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

154Er

Numri i masës154
numri i neutroneve86
relative atomic mass
153,932790799 ± 0,000005325 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,73 ± 0,09 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1963
parity+

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

155Er

Numri i masës155
numri i neutroneve87
relative atomic mass
154,93321571 ± 0,00000652 Da
g-factor
-0,19028571428571 ± 0,0014285714285714
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,3 ± 0,3 m
Spini7/2
nuclear quadrupole moment
-0,27 ± 0,02
koha e zbulimit apo shpikjes1969
parity-

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

156Er

Numri i masës156
numri i neutroneve88
relative atomic mass
155,931065926 ± 0,00002644 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
19,5 ± 1 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

157Er

Numri i masës157
numri i neutroneve89
relative atomic mass
156,931922652 ± 0,000028454 Da
g-factor
-0,274 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,65 ± 0,1 m
Spini3/2
nuclear quadrupole moment
0,92 ± 0,01
koha e zbulimit apo shpikjes1966
parity-

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

158Er

Numri i masës158
numri i neutroneve90
relative atomic mass
157,929893474 ± 0,000027074 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,29 ± 0,06 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1961
parity+

decay modeintensitet
ϵ (electron capture)100%

159Er

Numri i masës159
numri i neutroneve91
relative atomic mass
158,93069079 ± 0,00000391 Da
g-factor
-0,202 ± 0,0013333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
36 ± 1 m
Spini3/2
nuclear quadrupole moment
1,17 ± 0,01
koha e zbulimit apo shpikjes1962
parity-

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

160Er

Numri i masës160
numri i neutroneve92
relative atomic mass
159,929077193 ± 0,000026029 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
28,58 ± 0,09 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
ϵ (electron capture)100%

161Er

Numri i masës161
numri i neutroneve93
relative atomic mass
160,93000353 ± 0,000009419 Da
g-factor
-0,24266666666667 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,21 ± 0,03 h
Spini3/2
nuclear quadrupole moment
1,363 ± 0,008
koha e zbulimit apo shpikjes1954
parity-

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

162Er

Numri i masës162
numri i neutroneve94
relative atomic mass
161,928787299 ± 0,000000811 Da
g-factor
0
natural abundance
0,139 ± 0,005
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1938
parity+

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

163Er

Numri i masës163
numri i neutroneve95
relative atomic mass
162,930039908 ± 0,000004967 Da
g-factor
0,2224 ± 0,0016
natural abundance
Radioaktivitet☢️ radioactive element
half-life
75 ± 0,4 m
Spini5/2
nuclear quadrupole moment
2,56 ± 0,02
koha e zbulimit apo shpikjes1953
parity-

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

164Er

Numri i masës164
numri i neutroneve96
relative atomic mass
163,929207739 ± 0,000000755 Da
g-factor
0
natural abundance
1,601 ± 0,003
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1938
parity+

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

165Er

Numri i masës165
numri i neutroneve97
relative atomic mass
164,930733482 ± 0,000000985 Da
g-factor
0,2564 ± 0,0016
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,36 ± 0,04 h
Spini5/2
nuclear quadrupole moment
2,71 ± 0,03
koha e zbulimit apo shpikjes1950
parity-

decay modeintensitet
ϵ (electron capture)100%

166Er

Numri i masës166
numri i neutroneve98
relative atomic mass
165,930301067 ± 0,000000358 Da
g-factor
0
natural abundance
33,503 ± 0,036
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1934
parity+

167Er

Numri i masës167
numri i neutroneve99
relative atomic mass
166,932056192 ± 0,000000306 Da
g-factor
-0,16065714285714 ± 0,00011428571428571
natural abundance
22,869 ± 0,009
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini7/2
nuclear quadrupole moment
3,57 ± 0,03
koha e zbulimit apo shpikjes1934
parity+

168Er

Numri i masës168
numri i neutroneve100
relative atomic mass
167,932378282 ± 0,00000028 Da
g-factor
0
natural abundance
26,978 ± 0,018
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1934
parity+

169Er

Numri i masës169
numri i neutroneve101
relative atomic mass
168,934598444 ± 0,000000326 Da
g-factor
0,9656 ± 0,0008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,392 ± 0,018 d
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1956
parity-

decay modeintensitet
β (β decay)100%

170Er

Numri i masës170
numri i neutroneve102
relative atomic mass
169,935471933 ± 0,000001488 Da
g-factor
0
natural abundance
14,91 ± 0,036
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1934
parity+

decay modeintensitet
(double β decay)
α (α emission)

171Er

Numri i masës171
numri i neutroneve103
relative atomic mass
170,938037372 ± 0,000001511 Da
g-factor
0,2628 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,516 ± 0,002 h
Spini5/2
nuclear quadrupole moment
2,86 ± 0,09
koha e zbulimit apo shpikjes1938
parity-

decay modeintensitet
β (β decay)100%

172Er

Numri i masës172
numri i neutroneve104
relative atomic mass
171,939363461 ± 0,000004253 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
49,3 ± 0,5 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1956
parity+

decay modeintensitet
β (β decay)100%

173Er

Numri i masës173
numri i neutroneve105
relative atomic mass
172,9424 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,434 ± 0,017 m
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity-

decay modeintensitet
β (β decay)100%

174Er

Numri i masës174
numri i neutroneve106
relative atomic mass
173,94423 ± 0,00032 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,2 ± 0,2 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1989
parity+

decay modeintensitet
β (β decay)100%

175Er

Numri i masës175
numri i neutroneve107
relative atomic mass
174,94777 ± 0,00043 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,2 ± 0,3 m
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity+

decay modeintensitet
β (β decay)100%

176Er

Numri i masës176
numri i neutroneve108
relative atomic mass
175,94994 ± 0,00043 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2012
parity+

decay modeintensitet
β (β decay)

177Er

Numri i masës177
numri i neutroneve109
relative atomic mass
176,95399 ± 0,00054 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2012
parity-

decay modeintensitet
β (β decay)

178Er

Numri i masës178
numri i neutroneve110
relative atomic mass
177,956779 ± 0,00064 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2012
parity+

decay modeintensitet
β (β decay)

179Er

Numri i masës179
numri i neutroneve111
relative atomic mass
178,961267 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity-

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

180Er

Numri i masës180
numri i neutroneve112
relative atomic mass
179,96438 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2018
parity+

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

historia

zbuluesCarl Mosander
vendndodhja e zbulimitSweden
koha e zbulimit apo shpikjes1843
EtimologjiaNamed after the Swedish town, Ytterby.
pronunciationUR-bi-em (anglisht)

burim

Abundance
Abundance in Earth's crust
3,5 mg/kg
natural abundance (Oqeani)
0,00000087 mg/L
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)
0,000018 %
natural abundance (Diell)
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