Lutesyûm

Lutesyûm (Lu)

element with the atomic number of 71
Atomic Number71
Atomic Weight174.9668
Hejmara baristeyî175
Group
Period6
Blockf
Proton71 p+
Notron104 n0
Kareva71 e-
Animated Bohr model of Lu (Lutesyûm)

Physical Property

Atomic Radius
175 pm
molar volume
Covalent Radius
162 pm
Metallic Radius
ionic radius
86,1 pm
Crystal Radius
100,1 pm
Van der Waals radius
224 pm
density
9,84 g/cm³
Atomic Radii Of The Elements: Lutesyûm0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
992 kJ/mol
electron affinity
ionization energy
5,425871 eV/particle
ionization energy of Lu (Lutesyûm)
enthalpy of vaporization
414 kJ/mol
enthalpy of fusion
standard enthalpy of formation
427,6 kJ/mol
Kareva
electron shell2, 8, 18, 32, 9, 2
Bohr model: Lu (Lutesyûm)
valence electron2
Lewis structure: Lu (Lutesyûm)
electron configuration[Xe] 4f14 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d1 6s2
Enhanced Bohr model of Lu (Lutesyûm)
Orbital Diagram of Lu (Lutesyûm)
oxidation number0, 2, 3
electronegativity
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
color
Silver
appearancesilvery white
refractive index
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
electrical conductivity
1,8 MS/m
electrical resistivity
0,00000057 m Ω
superconductivity
0,1 K
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000012 m³/Kg
magnetic susceptibility (Molar)
0,00000000021 m³/mol
magnetic susceptibility (Volume)
0,0000118
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,51 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
48 GPa
shear modulus
27 GPa
Young's modulus
69 GPa
Poisson's ratio
0,26
Leza dengê
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
space group194 (P63/mmc)

Isotopes of Lutetium

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

150Lu

Hejmara baristeyî150
neutron number79
Giraniya atomê
149,973407 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
45 ± 3 ms
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1993
parity-

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

151Lu

Hejmara baristeyî151
neutron number80
Giraniya atomê
150,967471 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
78,4 ± 0,9 ms
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1982
parity-

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

152Lu

Hejmara baristeyî152
neutron number81
Giraniya atomê
151,96412 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
650 ± 70 ms
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1987
parity-

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

153Lu

Hejmara baristeyî153
neutron number82
Giraniya atomê
152,958802248 ± 0,00016105 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
900 ± 200 ms
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1989
parity-

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

154Lu

Hejmara baristeyî154
neutron number83
Giraniya atomê
153,957416 ± 0,000216 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1981
parity-

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

155Lu

Hejmara baristeyî155
neutron number84
Giraniya atomê
154,954326005 ± 0,00002066 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
68 ± 2 ms
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1965
parity-

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

156Lu

Hejmara baristeyî156
neutron number85
Giraniya atomê
155,953086606 ± 0,000058102 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
494 ± 12 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1965
parity

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

157Lu

Hejmara baristeyî157
neutron number86
Giraniya atomê
156,950144807 ± 0,000012961 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,7 ± 2 s
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

158Lu

Hejmara baristeyî158
neutron number87
Giraniya atomê
157,94931562 ± 0,000016236 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
10,6 ± 0,3 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity

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

159Lu

Hejmara baristeyî159
neutron number88
Giraniya atomê
158,946635615 ± 0,000040433 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12,1 ± 1 s
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1980
parity+

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

160Lu

Hejmara baristeyî160
neutron number89
Giraniya atomê
159,946033 ± 0,000061 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
36,1 ± 0,3 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity-

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

161Lu

Hejmara baristeyî161
neutron number90
Giraniya atomê
160,943572 ± 0,00003 Da
g-factor
0,444 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
77 ± 2 s
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1973
parity+

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

162Lu

Hejmara baristeyî162
neutron number91
Giraniya atomê
161,943282776 ± 0,000080554 Da
g-factor
0,0551 ± 0,0011
natural abundance
radioactivity☢️ radioactive element
half-life
1,37 ± 0,02 m
spin1
nuclear quadrupole moment
0,519 ± 0,008
dema îcadkirinê yan keşfê1978
parity-

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

163Lu

Hejmara baristeyî163
neutron number92
Giraniya atomê
162,941179 ± 0,00003 Da
g-factor
0,1534 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
3,97 ± 0,13 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1979
parity+

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

164Lu

Hejmara baristeyî164
neutron number93
Giraniya atomê
163,941339 ± 0,00003 Da
g-factor
0,0589 ± 0,0011
natural abundance
radioactivity☢️ radioactive element
half-life
3,14 ± 0,03 m
spin1
nuclear quadrupole moment
0,608 ± 0,007
dema îcadkirinê yan keşfê1977
parity-

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

165Lu

Hejmara baristeyî165
neutron number94
Giraniya atomê
164,939406758 ± 0,00002849 Da
g-factor
-0,0488 ± 0,0006
natural abundance
radioactivity☢️ radioactive element
half-life
10,74 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1973
parity+

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

166Lu

Hejmara baristeyî166
neutron number95
Giraniya atomê
165,939859 ± 0,000032 Da
g-factor
0,48383333333333 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
2,65 ± 0,1 m
spin6
nuclear quadrupole moment
4,33 ± 0,04
dema îcadkirinê yan keşfê1969
parity-

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

167Lu

Hejmara baristeyî167
neutron number96
Giraniya atomê
166,938243 ± 0,00004 Da
g-factor
0,66228571428571 ± 0,0011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
51,5 ± 1 m
spin7/2
nuclear quadrupole moment
3,28 ± 0,02
dema îcadkirinê yan keşfê1958
parity+

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

168Lu

Hejmara baristeyî168
neutron number97
Giraniya atomê
167,938729798 ± 0,000040766 Da
g-factor
0,50116666666667 ± 0,0041666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
5,5 ± 0,1 m
spin6
nuclear quadrupole moment
4,77 ± 0,06
dema îcadkirinê yan keşfê1960
parity-

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

169Lu

Hejmara baristeyî169
neutron number98
Giraniya atomê
168,937645845 ± 0,000003226 Da
g-factor
0,65371428571429 ± 0,0011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
34,06 ± 0,05 h
spin7/2
nuclear quadrupole moment
3,48 ± 0,03
dema îcadkirinê yan keşfê1955
parity+

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

170Lu

Hejmara baristeyî170
neutron number99
Giraniya atomê
169,93847923 ± 0,000018081 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,012 ± 0,03 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

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

171Lu

Hejmara baristeyî171
neutron number100
Giraniya atomê
170,937918591 ± 0,000001999 Da
g-factor
0,65314285714286 ± 0,0011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
8,247 ± 0,023 d
spin7/2
nuclear quadrupole moment
3,53 ± 0,03
dema îcadkirinê yan keşfê1951
parity+

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

172Lu

Hejmara baristeyî172
neutron number101
Giraniya atomê
171,93909132 ± 0,000002507 Da
g-factor
0,72275 ± 0,0025
natural abundance
radioactivity☢️ radioactive element
half-life
6,7 ± 0,03 d
spin4
nuclear quadrupole moment
3,8 ± 0,04
dema îcadkirinê yan keşfê1951
parity-

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

173Lu

Hejmara baristeyî173
neutron number102
Giraniya atomê
172,938935722 ± 0,000001682 Da
g-factor
0,64942857142857 ± 0,00057142857142857
natural abundance
radioactivity☢️ radioactive element
half-life
1,37 ± 0,01 y
spin7/2
nuclear quadrupole moment
3,53 ± 0,02
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
ϵ (electron capture)100%

174Lu

Hejmara baristeyî174
neutron number103
Giraniya atomê
173,94034284 ± 0,000001682 Da
g-factor
1,982 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
3,31 ± 0,05 y
spin1
nuclear quadrupole moment
0,773 ± 0,007
dema îcadkirinê yan keşfê1951
parity-

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

175Lu

Hejmara baristeyî175
neutron number104
Giraniya atomê
174,940777211 ± 0,000001295 Da
g-factor
0,63591428571429 ± 0,00054285714285714
natural abundance
97,401 ± 0,013
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
3,49 ± 0,02
dema îcadkirinê yan keşfê1934
parity+

176Lu

Hejmara baristeyî176
neutron number105
Giraniya atomê
175,942691711 ± 0,000001301 Da
g-factor
0,45142857142857 ± 0,00071428571428571
natural abundance
2,599 ± 0,013
radioactivity☢️ radioactive element
half-life
37,01 ± 0,17 Gy
spin7
nuclear quadrupole moment
dema îcadkirinê yan keşfê1935
parity-

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

177Lu

Hejmara baristeyî177
neutron number106
Giraniya atomê
176,94376357 ± 0,00000131 Da
g-factor
0,63757142857143 ± 0,0004
natural abundance
radioactivity☢️ radioactive element
half-life
6,6443 ± 0,0009 d
spin7/2
nuclear quadrupole moment
3,39 ± 0,03
dema îcadkirinê yan keşfê1945
parity+

decay modeintensity
β (β decay)100%

178Lu

Hejmara baristeyî178
neutron number107
Giraniya atomê
177,945960065 ± 0,000002416 Da
g-factor
-1,373 ± 0,009
natural abundance
radioactivity☢️ radioactive element
half-life
28,4 ± 0,2 m
spin1
nuclear quadrupole moment
0,708 ± 0,01
dema îcadkirinê yan keşfê1957
parity+

decay modeintensity
β (β decay)100%

179Lu

Hejmara baristeyî179
neutron number108
Giraniya atomê
178,947332985 ± 0,000005528 Da
g-factor
0,67657142857143 ± 0,0034285714285714
natural abundance
radioactivity☢️ radioactive element
half-life
4,59 ± 0,06 h
spin7/2
nuclear quadrupole moment
3,32 ± 0,03
dema îcadkirinê yan keşfê1961
parity+

decay modeintensity
β (β decay)100%

180Lu

Hejmara baristeyî180
neutron number109
Giraniya atomê
179,949890744 ± 0,000075926 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,7 ± 0,1 m
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%

181Lu

Hejmara baristeyî181
neutron number110
Giraniya atomê
180,951908 ± 0,000135 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,3 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1982
parity+

decay modeintensity
β (β decay)100%

182Lu

Hejmara baristeyî182
neutron number111
Giraniya atomê
181,955158 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2 ± 0,2 m
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1982
parity-

decay modeintensity
β (β decay)100%

183Lu

Hejmara baristeyî183
neutron number112
Giraniya atomê
182,957363 ± 0,000086 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
58 ± 4 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1983
parity+

decay modeintensity
β (β decay)100%

184Lu

Hejmara baristeyî184
neutron number113
Giraniya atomê
183,96103 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
20 ± 3 s
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1989
parity+

decay modeintensity
β (β decay)100%

185Lu

Hejmara baristeyî185
neutron number114
Giraniya atomê
184,963542 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2009
parity+

decay modeintensity
β (β decay)

186Lu

Hejmara baristeyî186
neutron number115
Giraniya atomê
185,96745 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity

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

187Lu

Hejmara baristeyî187
neutron number116
Giraniya atomê
186,970188 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity+

decay modeintensity
β (β decay)

188Lu

Hejmara baristeyî188
neutron number117
Giraniya atomê
187,974428 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity

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

dîrok

kaşîf an îcadkerGeorges Urbain
location of discoveryFrance
dema îcadkirinê yan keşfê1907
BêjenasîNamed for the ancient name of Paris, Lutecia.
pronunciationloo-TEE-shi-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
0,8 mg/kg
natural abundance (Okyanûs)
0,00000015 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,0000029 %
natural abundance (Roj)
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