Lutetium

Lutetium (Lu)

element with the atomic number of 71
Atomic Number71
Atomic Weight174.9668
Massagetal175
Group
Period6
Blockf
proton71 p+
neutron104 n0
elektron71 e-
Animated Bohr model of Lu (Lutetium)

Physical Property

Atoomradius
175 pm
molar volume
Covalent Radius
162 pm
Metallic Radius
Ioonradius
86,1 pm
Crystal Radius
100,1 pm
Van der Waals radius
224 pm
density
9,84 g/cm³
Atomic Radii Of The Elements: Lutetium0153045607590105120135150165180195210225240pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
992 kJ/mol
electron affinity
ionization energy
5,425871 eV/particle
ionization energy of Lu (Lutetium)
Verdampingswarmte
414 kJ/mol
smeltingswarmte
Vormingsentalpie
427,6 kJ/mol
elektron
Elektronskil2, 8, 18, 32, 9, 2
Bohr model: Lu (Lutetium)
Valenselektrone2
Lewisteorie: Lu (Lutetium)
elektronkonfigurasie[Xe] 4f14 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d1 6s2
Enhanced Bohr model of Lu (Lutetium)
Orbital Diagram of Lu (Lutetium)
Oksidasietoestand0, 2, 3
Elektronegatiwiteit
1
Electrophilicity Index
0,817098693336918 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3 675,15 K
Melting Point
1 936,15 K
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearancesilvery white
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
0,00001 1/K
molar heat capacity
26,86 J/(mol K)
Specific Heat Capacity
0,154 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
1,8 MS/m
Elektriese resistiwiteit
0,00000057 m Ω
superconductivity
0,1 K
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000012 m³/Kg
magnetic susceptibility (Molar)
0,00000000021 m³/mol
magnetic susceptibility (Volume)
0,0000118
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,51 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Massamodulus
48 GPa
Skuifmodulus
27 GPa
Young se modulus
69 GPa
Poisson se verhouding
0,26
Spoed van klank
classification
CategoryLanthanides, Transition metals
CAS Group
IUPAC Group
Glawe Number19
Mendeleev Number41
Pettifor Number21
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
970,6 kJ/mol
polarizability
137 ± 7 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
85
Neutron Mass Absorption
0,022
quantum number2D3/2
Ruimtegroep194 (P63/mmc)

Isotopes of Lutetium

Stable Isotopes1
Unstable Isotopes38
Natural Isotopes2
Isotopic Composition17597.40%17597.40%1762.60%1762.60%

150Lu

Massagetal150
neutron number79
relative atomic mass
149,973407 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
45 ± 3 ms
spin5
nuclear quadrupole moment
ontdekkingsdatum1993
parity-

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

151Lu

Massagetal151
neutron number80
relative atomic mass
150,967471 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
78,4 ± 0,9 ms
spin11/2
nuclear quadrupole moment
ontdekkingsdatum1982
parity-

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

152Lu

Massagetal152
neutron number81
relative atomic mass
151,96412 ± 0,00021 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
650 ± 70 ms
spin4
nuclear quadrupole moment
ontdekkingsdatum1987
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)15%

153Lu

Massagetal153
neutron number82
relative atomic mass
152,958802248 ± 0,00016105 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
900 ± 200 ms
spin11/2
nuclear quadrupole moment
ontdekkingsdatum1989
parity-

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

154Lu

Massagetal154
neutron number83
relative atomic mass
153,957416 ± 0,000216 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin2
nuclear quadrupole moment
ontdekkingsdatum1981
parity-

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

155Lu

Massagetal155
neutron number84
relative atomic mass
154,954326005 ± 0,00002066 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
68 ± 2 ms
spin11/2
nuclear quadrupole moment
ontdekkingsdatum1965
parity-

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

156Lu

Massagetal156
neutron number85
relative atomic mass
155,953086606 ± 0,000058102 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
494 ± 12 ms
spin2
nuclear quadrupole moment
ontdekkingsdatum1965
parity

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

157Lu

Massagetal157
neutron number86
relative atomic mass
156,950144807 ± 0,000012961 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,7 ± 2 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1977
parity+

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

158Lu

Massagetal158
neutron number87
relative atomic mass
157,94931562 ± 0,000016236 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
10,6 ± 0,3 s
spin2
nuclear quadrupole moment
ontdekkingsdatum1979
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.09%
α (α emission)0.91%

159Lu

Massagetal159
neutron number88
relative atomic mass
158,946635615 ± 0,000040433 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
12,1 ± 1 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1980
parity+

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

160Lu

Massagetal160
neutron number89
relative atomic mass
159,946033 ± 0,000061 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
36,1 ± 0,3 s
spin2
nuclear quadrupole moment
ontdekkingsdatum1979
parity-

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

161Lu

Massagetal161
neutron number90
relative atomic mass
160,943572 ± 0,00003 Da
g-factor
0,444 ± 0,006
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
77 ± 2 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

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

162Lu

Massagetal162
neutron number91
relative atomic mass
161,943282776 ± 0,000080554 Da
g-factor
0,0551 ± 0,0011
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,37 ± 0,02 m
spin1
nuclear quadrupole moment
0,519 ± 0,008
ontdekkingsdatum1978
parity-

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

163Lu

Massagetal163
neutron number92
relative atomic mass
162,941179 ± 0,00003 Da
g-factor
0,1534 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,97 ± 0,13 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1979
parity+

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

164Lu

Massagetal164
neutron number93
relative atomic mass
163,941339 ± 0,00003 Da
g-factor
0,0589 ± 0,0011
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,14 ± 0,03 m
spin1
nuclear quadrupole moment
0,608 ± 0,007
ontdekkingsdatum1977
parity-

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

165Lu

Massagetal165
neutron number94
relative atomic mass
164,939406758 ± 0,00002849 Da
g-factor
-0,0488 ± 0,0006
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
10,74 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

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

166Lu

Massagetal166
neutron number95
relative atomic mass
165,939859 ± 0,000032 Da
g-factor
0,48383333333333 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,65 ± 0,1 m
spin6
nuclear quadrupole moment
4,33 ± 0,04
ontdekkingsdatum1969
parity-

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

167Lu

Massagetal167
neutron number96
relative atomic mass
166,938243 ± 0,00004 Da
g-factor
0,66228571428571 ± 0,0011428571428571
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
51,5 ± 1 m
spin7/2
nuclear quadrupole moment
3,28 ± 0,02
ontdekkingsdatum1958
parity+

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

168Lu

Massagetal168
neutron number97
relative atomic mass
167,938729798 ± 0,000040766 Da
g-factor
0,50116666666667 ± 0,0041666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,5 ± 0,1 m
spin6
nuclear quadrupole moment
4,77 ± 0,06
ontdekkingsdatum1960
parity-

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

169Lu

Massagetal169
neutron number98
relative atomic mass
168,937645845 ± 0,000003226 Da
g-factor
0,65371428571429 ± 0,0011428571428571
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
34,06 ± 0,05 h
spin7/2
nuclear quadrupole moment
3,48 ± 0,03
ontdekkingsdatum1955
parity+

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

170Lu

Massagetal170
neutron number99
relative atomic mass
169,93847923 ± 0,000018081 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,012 ± 0,03 d
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1951
parity+

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

171Lu

Massagetal171
neutron number100
relative atomic mass
170,937918591 ± 0,000001999 Da
g-factor
0,65314285714286 ± 0,0011428571428571
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,247 ± 0,023 d
spin7/2
nuclear quadrupole moment
3,53 ± 0,03
ontdekkingsdatum1951
parity+

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

172Lu

Massagetal172
neutron number101
relative atomic mass
171,93909132 ± 0,000002507 Da
g-factor
0,72275 ± 0,0025
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,7 ± 0,03 d
spin4
nuclear quadrupole moment
3,8 ± 0,04
ontdekkingsdatum1951
parity-

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

173Lu

Massagetal173
neutron number102
relative atomic mass
172,938935722 ± 0,000001682 Da
g-factor
0,64942857142857 ± 0,00057142857142857
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,37 ± 0,01 y
spin7/2
nuclear quadrupole moment
3,53 ± 0,02
ontdekkingsdatum1951
parity+

decay modeintensity
ϵ (electron capture)100%

174Lu

Massagetal174
neutron number103
relative atomic mass
173,94034284 ± 0,000001682 Da
g-factor
1,982 ± 0,005
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,31 ± 0,05 y
spin1
nuclear quadrupole moment
0,773 ± 0,007
ontdekkingsdatum1951
parity-

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

175Lu

Massagetal175
neutron number104
relative atomic mass
174,940777211 ± 0,000001295 Da
g-factor
0,63591428571429 ± 0,00054285714285714
natural abundance
97,401 ± 0,013
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,49 ± 0,02
ontdekkingsdatum1934
parity+

176Lu

Massagetal176
neutron number105
relative atomic mass
175,942691711 ± 0,000001301 Da
g-factor
0,45142857142857 ± 0,00071428571428571
natural abundance
2,599 ± 0,013
radioaktiwiteit☢️ radioactive element
Halfleeftyd
37,01 ± 0,17 Gy
spin7
nuclear quadrupole moment
ontdekkingsdatum1935
parity-

decay modeintensity
β (β decay)100%
β+ (β+ decay; β+ = ϵ + e+)0.45%

177Lu

Massagetal177
neutron number106
relative atomic mass
176,94376357 ± 0,00000131 Da
g-factor
0,63757142857143 ± 0,0004
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,6443 ± 0,0009 d
spin7/2
nuclear quadrupole moment
3,39 ± 0,03
ontdekkingsdatum1945
parity+

decay modeintensity
β (β decay)100%

178Lu

Massagetal178
neutron number107
relative atomic mass
177,945960065 ± 0,000002416 Da
g-factor
-1,373 ± 0,009
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
28,4 ± 0,2 m
spin1
nuclear quadrupole moment
0,708 ± 0,01
ontdekkingsdatum1957
parity+

decay modeintensity
β (β decay)100%

179Lu

Massagetal179
neutron number108
relative atomic mass
178,947332985 ± 0,000005528 Da
g-factor
0,67657142857143 ± 0,0034285714285714
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,59 ± 0,06 h
spin7/2
nuclear quadrupole moment
3,32 ± 0,03
ontdekkingsdatum1961
parity+

decay modeintensity
β (β decay)100%

180Lu

Massagetal180
neutron number109
relative atomic mass
179,949890744 ± 0,000075926 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,7 ± 0,1 m
spin5
nuclear quadrupole moment
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%

181Lu

Massagetal181
neutron number110
relative atomic mass
180,951908 ± 0,000135 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,5 ± 0,3 m
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1982
parity+

decay modeintensity
β (β decay)100%

182Lu

Massagetal182
neutron number111
relative atomic mass
181,955158 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2 ± 0,2 m
spin1
nuclear quadrupole moment
ontdekkingsdatum1982
parity-

decay modeintensity
β (β decay)100%

183Lu

Massagetal183
neutron number112
relative atomic mass
182,957363 ± 0,000086 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
58 ± 4 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1983
parity+

decay modeintensity
β (β decay)100%

184Lu

Massagetal184
neutron number113
relative atomic mass
183,96103 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
20 ± 3 s
spin3
nuclear quadrupole moment
ontdekkingsdatum1989
parity+

decay modeintensity
β (β decay)100%

185Lu

Massagetal185
neutron number114
relative atomic mass
184,963542 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2009
parity+

decay modeintensity
β (β decay)

186Lu

Massagetal186
neutron number115
relative atomic mass
185,96745 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2012
parity

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

187Lu

Massagetal187
neutron number116
relative atomic mass
186,970188 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2012
parity+

decay modeintensity
β (β decay)

188Lu

Massagetal188
neutron number117
relative atomic mass
187,974428 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2012
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Lutetium sublimed dendritic and 1cm3 cube

geskiedenis

Ontdek deurGeorges Urbain
ligging van ontdekkingFrance
ontdekkingsdatum1907
etimologieNamed for the ancient name of Paris, Lutecia.
uitspraakloo-TEE-shi-em (Engels)

source

Abundance
Abundance in Earth's crust
0,8 mg/kg
natural abundance (oseaan)
0,00000015 mg/L
natural abundance (human body)
natural abundance (Meteoroïde)
0,0000029 %
natural abundance (Son)
0,0000001 %
Abundance in Universe
0,00000001 %

Nuclear Screening Constants

1s1.3805
2p4.389
2s18.5502
3d13.5812
3p20.8337
3s21.4655
4d35.7108
4f40.0688
4p33.8096
4s32.7308
5d50.887
5p52.32
5s50.045
6s62.1956