Europ, ²Europiumi

Europ, ²Europiumi (Eu)

chemical element with atomic number of 63
Atomic Number63
Atomic Weight151.964
Numri i masës153
Group
Period6
Blockf
protoni63 p+
neutroni90 n0
elektroni63 e-
Animated Bohr model of Eu (Europ, ²Europiumi)

Tipar Fizik

Atomic Radius
185 pm
molar volume
covalent radius
168 pm
Metallic Radius
ionic radius
117 pm
Crystal Radius
131 pm
Van der Waals radius
235 pm
density
5,24 g/cm³
Atomic Radii Of The Elements: Europ, ²Europiumi0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
5,670385 eV/particle
ionization energy of Eu (Europ, ²Europiumi)
enthalpy of vaporization
176 kJ/mol
enthalpy of fusion
standard enthalpy of formation
177,4 kJ/mol
elektroni
electron shell2, 8, 18, 25, 8, 2
Bohr model: Eu (Europ, ²Europiumi)
valence electron2
Lewis structure: Eu (Europ, ²Europiumi)
konfigurimi i elektronit[Xe] 4f7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f7 6s2
Enhanced Bohr model of Eu (Europ, ²Europiumi)
Orbital Diagram of Eu (Europ, ²Europiumi)
oxidation number0, 2, 3
Elektronegativiteti
Electrophilicity Index
1,1104548254099753 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
1 802,15 K
Melting Point
1 095,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearance
refractive index
thermodynamic material property
Thermal Conductivity
13,9 W/(m K)
thermal expansion
0,000035 1/K
molar heat capacity
27,66 J/(mol K)
Specific Heat Capacity
0,182 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,1 MS/m
electrical resistivity
0,0000009 m Ω
Superpërcjellshmëria
1,8 K
Magnetizimi
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
90,5 K
strukturë
Crystal StructureBody Centered Cubic (BCC)
lattice constant
4,61 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
8,3 GPa
shear modulus
7,9 GPa
Young's modulus
18 GPa
Poisson's ratio
0,15
Shpejtësia e zërit
klasifikim
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number17
Mendeleev Number25
Pettifor Number18
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
184 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
4 570
Neutron Mass Absorption
0,6
numër kuantik8S7/2
space group229 (Im_3m)

Isotopes of Europium

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

130Eu

Numri i masës130
numri i neutroneve67
relative atomic mass
129,964022 ± 0,000578 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1 ± 0,4 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes2004
parity+

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

131Eu

Numri i masës131
numri i neutroneve68
relative atomic mass
130,957634 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,8 ± 1,9 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity+

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

132Eu

Numri i masës132
numri i neutroneve69
relative atomic mass
131,954696 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

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

133Eu

Numri i masës133
numri i neutroneve70
relative atomic mass
132,94929 ± 0,00032 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

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

134Eu

Numri i masës134
numri i neutroneve71
relative atomic mass
133,946537 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
500 ± 200 ms
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes1989
parity

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

135Eu

Numri i masës135
numri i neutroneve72
relative atomic mass
134,94187 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,5 ± 0,2 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1989
parity+

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

136Eu

Numri i masës136
numri i neutroneve73
relative atomic mass
135,93962 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,3 ± 0,3 s
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity+

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

137Eu

Numri i masës137
numri i neutroneve74
relative atomic mass
136,935430719 ± 0,0000047 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,4 ± 0,5 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1982
parity+

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

138Eu

Numri i masës138
numri i neutroneve75
relative atomic mass
137,933709 ± 0,00003 Da
g-factor
0,88333333333333 ± 0,11666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1982
parity-

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

139Eu

Numri i masës139
numri i neutroneve76
relative atomic mass
138,929792307 ± 0,000014117 Da
g-factor
1,1090909090909 ± 0,14545454545455
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,9 ± 0,6 s
Spini11/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1975
parity

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

140Eu

Numri i masës140
numri i neutroneve77
relative atomic mass
139,928087633 ± 0,000055328 Da
g-factor
1,362 ± 0,013
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,51 ± 0,02 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1982
parity+

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

141Eu

Numri i masës141
numri i neutroneve78
relative atomic mass
140,924931734 ± 0,000013568 Da
g-factor
1,3944 ± 0,0032
natural abundance
Radioaktivitet☢️ radioactive element
half-life
40,7 ± 0,7 s
Spini5/2
nuclear quadrupole moment
0,85 ± 0,04
koha e zbulimit apo shpikjes1977
parity+

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

142Eu

Numri i masës142
numri i neutroneve79
relative atomic mass
141,923446719 ± 0,000032268 Da
g-factor
1,532 ± 0,019
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,36 ± 0,1 s
Spini1
nuclear quadrupole moment
0,12 ± 0,05
koha e zbulimit apo shpikjes1966
parity+

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

143Eu

Numri i masës143
numri i neutroneve80
relative atomic mass
142,920298678 ± 0,000011793 Da
g-factor
1,4656 ± 0,0032
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,59 ± 0,02 m
Spini5/2
nuclear quadrupole moment
0,51 ± 0,03
koha e zbulimit apo shpikjes1965
parity+

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

144Eu

Numri i masës144
numri i neutroneve81
relative atomic mass
143,918819481 ± 0,00001158 Da
g-factor
1,888 ± 0,013
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,2 ± 0,1 s
Spini1
nuclear quadrupole moment
0,1 ± 0,03
koha e zbulimit apo shpikjes1965
parity+

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

145Eu

Numri i masës145
numri i neutroneve82
relative atomic mass
144,916272659 ± 0,000003285 Da
g-factor
1,5932 ± 0,0028
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,93 ± 0,04 d
Spini5/2
nuclear quadrupole moment
0,29 ± 0,02
koha e zbulimit apo shpikjes1951
parity+

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

146Eu

Numri i masës146
numri i neutroneve83
relative atomic mass
145,917210852 ± 0,000006451 Da
g-factor
0,3555 ± 0,00275
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,61 ± 0,03 d
Spini4
nuclear quadrupole moment
-0,18 ± 0,06
koha e zbulimit apo shpikjes1957
parity-

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

147Eu

Numri i masës147
numri i neutroneve84
relative atomic mass
146,91675244 ± 0,000002758 Da
g-factor
1,486 ± 0,0032
natural abundance
Radioaktivitet☢️ radioactive element
half-life
24,1 ± 0,6 d
Spini5/2
nuclear quadrupole moment
0,55 ± 0,03
koha e zbulimit apo shpikjes1951
parity+

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

148Eu

Numri i masës148
numri i neutroneve85
relative atomic mass
147,918091288 ± 0,000010693 Da
g-factor
0,4668 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
54,5 ± 0,5 d
Spini5
nuclear quadrupole moment
0,35 ± 0,06
koha e zbulimit apo shpikjes1951
parity-

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

149Eu

Numri i masës149
numri i neutroneve86
relative atomic mass
148,917936875 ± 0,00000419 Da
g-factor
1,4224 ± 0,0024
natural abundance
Radioaktivitet☢️ radioactive element
half-life
93,1 ± 0,4 d
Spini5/2
nuclear quadrupole moment
0,75 ± 0,02
koha e zbulimit apo shpikjes1959
parity+

decay modeintensitet
ϵ (electron capture)100%

150Eu

Numri i masës150
numri i neutroneve87
relative atomic mass
149,919707092 ± 0,000006688 Da
g-factor
0,5404 ± 0,0022
natural abundance
Radioaktivitet☢️ radioactive element
half-life
36,9 ± 0,9 y
Spini5
nuclear quadrupole moment
1,13 ± 0,05
koha e zbulimit apo shpikjes1950
parity-

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

151Eu

Numri i masës151
numri i neutroneve88
relative atomic mass
150,919856606 ± 0,000001251 Da
g-factor
1,3854 ± 0,001
natural abundance
47,81 ± 0,06
Radioaktivitet☢️ radioactive element
half-life
4,6 ± 1,2 Ey
Spini5/2
nuclear quadrupole moment
0,903 ± 0,01
koha e zbulimit apo shpikjes1933
parity+

decay modeintensitet
α (α emission)100%

152Eu

Numri i masës152
numri i neutroneve89
relative atomic mass
151,92175098 ± 0,000001252 Da
g-factor
-0,64513333333333 ± 0,00056666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13,517 ± 0,006 y
Spini3
nuclear quadrupole moment
2,72 ± 0,03
koha e zbulimit apo shpikjes1938
parity-

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

153Eu

Numri i masës153
numri i neutroneve90
relative atomic mass
152,921236789 ± 0,000001257 Da
g-factor
0,61176 ± 0,00044
natural abundance
52,19 ± 0,06
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini5/2
nuclear quadrupole moment
2,41 ± 0,02
koha e zbulimit apo shpikjes1933
parity+

154Eu

Numri i masës154
numri i neutroneve91
relative atomic mass
153,922985699 ± 0,000001275 Da
g-factor
-0,66666666666667 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,592 ± 0,003 y
Spini3
nuclear quadrupole moment
2,85 ± 0,1
koha e zbulimit apo shpikjes1947
parity-

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

155Eu

Numri i masës155
numri i neutroneve92
relative atomic mass
154,922899847 ± 0,000001343 Da
g-factor
0,6064 ± 0,0008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,742 ± 0,008 y
Spini5/2
nuclear quadrupole moment
2,5 ± 0,3
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
β (β decay)100%

156Eu

Numri i masës156
numri i neutroneve93
relative atomic mass
155,924762976 ± 0,000003791 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,19 ± 0,08 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
β (β decay)100%

157Eu

Numri i masës157
numri i neutroneve94
relative atomic mass
156,925432556 ± 0,000004545 Da
g-factor
0,6 ± 0,008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,18 ± 0,03 h
Spini5/2
nuclear quadrupole moment
2,6 ± 0,3
koha e zbulimit apo shpikjes1951
parity+

decay modeintensitet
β (β decay)100%

158Eu

Numri i masës158
numri i neutroneve95
relative atomic mass
157,927782192 ± 0,000002181 Da
g-factor
1,44 ± 0,02
natural abundance
Radioaktivitet☢️ radioactive element
half-life
45,9 ± 0,2 m
Spini1
nuclear quadrupole moment
0,66 ± 0,14
koha e zbulimit apo shpikjes1951
parity-

decay modeintensitet
β (β decay)100%

159Eu

Numri i masës159
numri i neutroneve96
relative atomic mass
158,929099512 ± 0,000004637 Da
g-factor
0,552 ± 0,008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,1 ± 0,1 m
Spini5/2
nuclear quadrupole moment
2,7 ± 0,3
koha e zbulimit apo shpikjes1961
parity+

decay modeintensitet
β (β decay)100%

160Eu

Numri i masës160
numri i neutroneve97
relative atomic mass
159,931836982 ± 0,00000097 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
42,6 ± 0,5 s
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity-

decay modeintensitet
β (β decay)100%

161Eu

Numri i masës161
numri i neutroneve98
relative atomic mass
160,933663991 ± 0,000011164 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
26,2 ± 2,3 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1986
parity+

decay modeintensitet
β (β decay)100%

162Eu

Numri i masës162
numri i neutroneve99
relative atomic mass
161,936958329 ± 0,00000141 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity+

decay modeintensitet
β (β decay)100%

163Eu

Numri i masës163
numri i neutroneve100
relative atomic mass
162,93926551 ± 0,00000097 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,7 ± 0,4 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2007
parity+

decay modeintensitet
β (β decay)100%

164Eu

Numri i masës164
numri i neutroneve101
relative atomic mass
163,942852943 ± 0,000002219 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,16 ± 0,19 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes2007
parity-

decay modeintensitet
β (β decay)100%

165Eu

Numri i masës165
numri i neutroneve102
relative atomic mass
164,94554007 ± 0,000005596 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,53 ± 0,25 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2007
parity+

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

166Eu

Numri i masës166
numri i neutroneve103
relative atomic mass
165,949813 ± 0,000107 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,24 ± 0,12 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2007
parity-

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

167Eu

Numri i masës167
numri i neutroneve104
relative atomic mass
166,953011 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,33 ± 0,51 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

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

168Eu

Numri i masës168
numri i neutroneve105
relative atomic mass
167,957863 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
200 ± 100 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity-

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

169Eu

Numri i masës169
numri i neutroneve106
relative atomic mass
168,961717 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity+

decay modeintensitet
β (β decay)

170Eu

Numri i masës170
numri i neutroneve107
relative atomic mass
169,96687 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

historia

zbuluesEugène Demarçay
vendndodhja e zbulimitFrance
koha e zbulimit apo shpikjes1901
EtimologjiaNamed for the continent of Europe.
pronunciationyoo-RO-pi-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
0,00000013 mg/L
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)
0,0000059 %
natural abundance (Diell)
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