Europiom

Europiom (Eu)

chemical element with atomic number of 63
Atomic Number63
Atomic Weight151.964
Niver mas153
Group
Period6
Blockf
Proton63 p+
Neutron90 n0
Elektron63 e-
Animated Bohr model of Eu (Europiom)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Europiom0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energiezh
proton affinity
electron affinity
ionization energy
ionization energy of Eu (Europiom)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 25, 8, 2
Bohr model: Eu (Europiom)
valence electron2
Lewis structure: Eu (Europiom)
electron configuration[Xe] 4f7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f7 6s2
Enhanced Bohr model of Eu (Europiom)
Orbital Diagram of Eu (Europiom)
oxidation number0, 2, 3
electronegativity
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
appearance
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)
0,000000276 m³/Kg
magnetic susceptibility (Molar)
0,000000041942 m³/mol
magnetic susceptibility (Volume)
0,0014473
magnetic ordering
Curie temperature
Néel temperature
framm
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0,15
speed of sound
rummatadur
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number17
Mendeleev Number25
Pettifor Number18
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
4 570
Neutron Mass Absorption
0,6
quantum number8S7/2
space group229 (Im_3m)

Isotopes of Europium

Stable Isotopes1
Unstable Isotopes40
Natural Isotopes2
Isotopic Composition15352.19%15352.19%15147.81%15147.81%

130Eu

Niver mas130
niver a neutron67
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1 ± 0,4 ms
spin1
nuclear quadrupole moment
time of discovery or invention2004
parity+

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

131Eu

Niver mas131
niver a neutron68
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
17,8 ± 1,9 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1998
parity+

decay modeintensity
p (proton emission)89%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

132Eu

Niver mas132
niver a neutron69
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
time of discovery or invention
parity+

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

133Eu

Niver mas133
niver a neutron70
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

134Eu

Niver mas134
niver a neutron71
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
500 ± 200 ms
spin
nuclear quadrupole moment
time of discovery or invention1989
parity

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

135Eu

Niver mas135
niver a neutron72
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,5 ± 0,2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1989
parity+

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

136Eu

Niver mas136
niver a neutron73
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,3 ± 0,3 s
spin6
nuclear quadrupole moment
time of discovery or invention1987
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.09%

137Eu

Niver mas137
niver a neutron74
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,4 ± 0,5 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1982
parity+

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

138Eu

Niver mas138
niver a neutron75
Relative Atomic Mass
g-factor
0,88333333333333 ± 0,11666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
time of discovery or invention1982
parity-

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

139Eu

Niver mas139
niver a neutron76
Relative Atomic Mass
g-factor
1,1090909090909 ± 0,14545454545455
natural abundance
radioactivity☢️ radioactive element
half-life
17,9 ± 0,6 s
spin11/2
nuclear quadrupole moment
time of discovery or invention1975
parity

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

140Eu

Niver mas140
niver a neutron77
Relative Atomic Mass
g-factor
1,362 ± 0,013
natural abundance
radioactivity☢️ radioactive element
half-life
1,51 ± 0,02 s
spin1
nuclear quadrupole moment
time of discovery or invention1982
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)95.1%
ϵ (electron capture)4.9%

141Eu

Niver mas141
niver a neutron78
Relative Atomic Mass
g-factor
1,3944 ± 0,0032
natural abundance
radioactivity☢️ radioactive element
half-life
40,7 ± 0,7 s
spin5/2
nuclear quadrupole moment
0,85 ± 0,04
time of discovery or invention1977
parity+

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

142Eu

Niver mas142
niver a neutron79
Relative Atomic Mass
g-factor
1,532 ± 0,019
natural abundance
radioactivity☢️ radioactive element
half-life
2,36 ± 0,1 s
spin1
nuclear quadrupole moment
0,12 ± 0,05
time of discovery or invention1966
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)89.9%
ϵ (electron capture)10.1%

143Eu

Niver mas143
niver a neutron80
Relative Atomic Mass
g-factor
1,4656 ± 0,0032
natural abundance
radioactivity☢️ radioactive element
half-life
2,59 ± 0,02 m
spin5/2
nuclear quadrupole moment
0,51 ± 0,03
time of discovery or invention1965
parity+

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

144Eu

Niver mas144
niver a neutron81
Relative Atomic Mass
g-factor
1,888 ± 0,013
natural abundance
radioactivity☢️ radioactive element
half-life
10,2 ± 0,1 s
spin1
nuclear quadrupole moment
0,1 ± 0,03
time of discovery or invention1965
parity+

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

145Eu

Niver mas145
niver a neutron82
Relative Atomic Mass
g-factor
1,5932 ± 0,0028
natural abundance
radioactivity☢️ radioactive element
half-life
5,93 ± 0,04 d
spin5/2
nuclear quadrupole moment
0,29 ± 0,02
time of discovery or invention1951
parity+

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

146Eu

Niver mas146
niver a neutron83
Relative Atomic Mass
g-factor
0,3555 ± 0,00275
natural abundance
radioactivity☢️ radioactive element
half-life
4,61 ± 0,03 d
spin4
nuclear quadrupole moment
-0,18 ± 0,06
time of discovery or invention1957
parity-

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

147Eu

Niver mas147
niver a neutron84
Relative Atomic Mass
g-factor
1,486 ± 0,0032
natural abundance
radioactivity☢️ radioactive element
half-life
24,1 ± 0,6 d
spin5/2
nuclear quadrupole moment
0,55 ± 0,03
time of discovery or invention1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.0022%

148Eu

Niver mas148
niver a neutron85
Relative Atomic Mass
g-factor
0,4668 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
54,5 ± 0,5 d
spin5
nuclear quadrupole moment
0,35 ± 0,06
time of discovery or invention1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)9.4%

149Eu

Niver mas149
niver a neutron86
Relative Atomic Mass
g-factor
1,4224 ± 0,0024
natural abundance
radioactivity☢️ radioactive element
half-life
93,1 ± 0,4 d
spin5/2
nuclear quadrupole moment
0,75 ± 0,02
time of discovery or invention1959
parity+

decay modeintensity
ϵ (electron capture)100%

150Eu

Niver mas150
niver a neutron87
Relative Atomic Mass
g-factor
0,5404 ± 0,0022
natural abundance
radioactivity☢️ radioactive element
half-life
36,9 ± 0,9 y
spin5
nuclear quadrupole moment
1,13 ± 0,05
time of discovery or invention1950
parity-

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

151Eu

Niver mas151
niver a neutron88
Relative Atomic Mass
g-factor
1,3854 ± 0,001
natural abundance
47,81 ± 0,06
radioactivity☢️ radioactive element
half-life
4,6 ± 1,2 Ey
spin5/2
nuclear quadrupole moment
0,903 ± 0,01
time of discovery or invention1933
parity+

decay modeintensity
α (α emission)100%

152Eu

Niver mas152
niver a neutron89
Relative Atomic Mass
g-factor
-0,64513333333333 ± 0,00056666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
13,517 ± 0,006 y
spin3
nuclear quadrupole moment
2,72 ± 0,03
time of discovery or invention1938
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)72.08%
β (β decay)27.92%

153Eu

Niver mas153
niver a neutron90
Relative Atomic Mass
g-factor
0,61176 ± 0,00044
natural abundance
52,19 ± 0,06
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
2,41 ± 0,02
time of discovery or invention1933
parity+

154Eu

Niver mas154
niver a neutron91
Relative Atomic Mass
g-factor
-0,66666666666667 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
8,592 ± 0,003 y
spin3
nuclear quadrupole moment
2,85 ± 0,1
time of discovery or invention1947
parity-

decay modeintensity
β (β decay)99.982%
ϵ (electron capture)0.018%

155Eu

Niver mas155
niver a neutron92
Relative Atomic Mass
g-factor
0,6064 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
4,742 ± 0,008 y
spin5/2
nuclear quadrupole moment
2,5 ± 0,3
time of discovery or invention1947
parity+

decay modeintensity
β (β decay)100%

156Eu

Niver mas156
niver a neutron93
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
15,19 ± 0,08 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1947
parity+

decay modeintensity
β (β decay)100%

157Eu

Niver mas157
niver a neutron94
Relative Atomic Mass
g-factor
0,6 ± 0,008
natural abundance
radioactivity☢️ radioactive element
half-life
15,18 ± 0,03 h
spin5/2
nuclear quadrupole moment
2,6 ± 0,3
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%

158Eu

Niver mas158
niver a neutron95
Relative Atomic Mass
g-factor
1,44 ± 0,02
natural abundance
radioactivity☢️ radioactive element
half-life
45,9 ± 0,2 m
spin1
nuclear quadrupole moment
0,66 ± 0,14
time of discovery or invention1951
parity-

decay modeintensity
β (β decay)100%

159Eu

Niver mas159
niver a neutron96
Relative Atomic Mass
g-factor
0,552 ± 0,008
natural abundance
radioactivity☢️ radioactive element
half-life
18,1 ± 0,1 m
spin5/2
nuclear quadrupole moment
2,7 ± 0,3
time of discovery or invention1961
parity+

decay modeintensity
β (β decay)100%

160Eu

Niver mas160
niver a neutron97
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
42,6 ± 0,5 s
spin5
nuclear quadrupole moment
time of discovery or invention1973
parity-

decay modeintensity
β (β decay)100%

161Eu

Niver mas161
niver a neutron98
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
26,2 ± 2,3 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1986
parity+

decay modeintensity
β (β decay)100%

162Eu

Niver mas162
niver a neutron99
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
time of discovery or invention1987
parity+

decay modeintensity
β (β decay)100%

163Eu

Niver mas163
niver a neutron100
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,7 ± 0,4 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2007
parity+

decay modeintensity
β (β decay)100%

164Eu

Niver mas164
niver a neutron101
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,16 ± 0,19 s
spin3
nuclear quadrupole moment
time of discovery or invention2007
parity-

decay modeintensity
β (β decay)100%

165Eu

Niver mas165
niver a neutron102
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,53 ± 0,25 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2007
parity+

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

166Eu

Niver mas166
niver a neutron103
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,24 ± 0,12 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2007
parity-

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

167Eu

Niver mas167
niver a neutron104
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,33 ± 0,51 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2012
parity+

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

168Eu

Niver mas168
niver a neutron105
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
200 ± 100 ms
spin6
nuclear quadrupole moment
time of discovery or invention2012
parity-

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

169Eu

Niver mas169
niver a neutron106
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention2018
parity+

decay modeintensity
β (β decay)

170Eu

Niver mas170
niver a neutron107
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

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

istor

dizoloer pe ijinerEugène Demarçay
location of discoveryFrance
time of discovery or invention1901
EtimologiezhNamed for the continent of Europe.
pronunciationyoo-RO-pi-em (saozneg)

mammenn

Abundance
Abundance in Earth's crust
natural abundance (meurvor)
natural abundance (human body)
natural abundance (meteoroid)
0,0000059 %
natural abundance (Heol)
0,00000005 %
Abundance in Universe
0,00000005 %

Nuclear Screening Constants

1s1.2391
2p4.282
2s16.5292
3d13.7472
3p19.716
3s20.1318
4d34.0592
4f38.68
4p31.1252
4s30.132
5p46.445
5s44.41
6s54.8784