Tuli

Tuli (Tm)

chemical element with the atomic number of 69
Atomic Number69
Atomic Weight168.93422
Rhif màs169
Group
Period6
Blockf
Proton69 p+
Niwtron100 n0
Electron69 e-
Animated Bohr model of Tm (Tuli)

Nodwedd Ffisegol

Atomic Radius
175 pm
molar volume
covalent radius
164 pm
Metallic Radius
ionic radius
103 pm
Crystal Radius
117 pm
Van der Waals radius
227 pm
density
9.321 g/cm³
Atomic Radii Of The Elements: Tuli0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
6.18431 eV/particle
ionization energy of Tm (Tuli)
enthalpy of vaporization
232 kJ/mol
enthalpy of fusion
standard enthalpy of formation
232.2 kJ/mol
Electron
plisgyn yr electron2, 8, 18, 31, 8, 2
Bohr model: Tm (Tuli)
valence electron2
Lewis structure: Tm (Tuli)
trefn yr electronnau[Xe] 4f13 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f13 6s2
Enhanced Bohr model of Tm (Tuli)
Orbital Diagram of Tm (Tuli)
Cyflwr ocsidiad0, 1, 2, 3
Electronegatifedd
1.25
Electrophilicity Index
1.2616079623752015 eV/particle
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
2,223.15 K
Melting Point
1,818.15 K
critical pressure
critical temperature
triple point
appearance
lliw
Silver
appearancesilvery gray
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
0.0000133 1/K
molar heat capacity
27.03 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
dargludedd trydanol
1.4 MS/m
Gwrthedd
0.0000007 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0.00000199 m³/Kg
magnetic susceptibility (Molar)
0.000000336179 m³/mol
magnetic susceptibility (Volume)
0.0185488
magnetic ordering
Curie temperature
25 K
Néel temperature
56 K
strwythur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3.54 Å
Lattice Anglesπ/2, π/2, 2 π/3
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
45 GPa
shear modulus
31 GPa
Young's modulus
74 GPa
Poisson's ratio
0.21
speed of sound
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number20
Mendeleev Number37
Pettifor Number22
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
144 ± 15 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
105
Neutron Mass Absorption
0.025
quantum number2F7/2
space group194 (P63/mmc)

Isotopes of Thulium

Stable Isotopes1
Unstable Isotopes38
Natural Isotopes1

144Tm

Rhif màs144
neutron number75
relative atomic mass
143.976211 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2.3 ± 0.9 us
spin10
nuclear quadrupole moment
dyddiad darganfod2005
parity+

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

145Tm

Rhif màs145
neutron number76
relative atomic mass
144.970389 ± 0.00021 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.17 ± 0.2 us
spin11/2
nuclear quadrupole moment
dyddiad darganfod1998
parity-

decay modeintensity
p (proton emission)100%

146Tm

Rhif màs146
neutron number77
relative atomic mass
145.966661 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
155 ± 20 ms
spin1
nuclear quadrupole moment
dyddiad darganfod1993
parity+

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

147Tm

Rhif màs147
neutron number78
relative atomic mass
146.961379887 ± 0.000007341 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
580 ± 30 ms
spin11/2
nuclear quadrupole moment
dyddiad darganfod1982
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)85%
p (proton emission)15%

148Tm

Rhif màs148
neutron number79
relative atomic mass
147.958384026 ± 0.000011 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
700 ± 200 ms
spin10
nuclear quadrupole moment
dyddiad darganfod1982
parity+

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

149Tm

Rhif màs149
neutron number80
relative atomic mass
148.952828 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
900 ± 200 ms
spin11/2
nuclear quadrupole moment
dyddiad darganfod1987
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.26%

150Tm

Rhif màs150
neutron number81
relative atomic mass
149.95009 ± 0.00021 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1
nuclear quadrupole moment
dyddiad darganfod1982
parity+

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

151Tm

Rhif màs151
neutron number82
relative atomic mass
150.945494433 ± 0.000020799 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.17 ± 0.11 s
spin11/2
nuclear quadrupole moment
dyddiad darganfod1982
parity-

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

152Tm

Rhif màs152
neutron number83
relative atomic mass
151.944476 ± 0.000058 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8 ± 1 s
spin2
nuclear quadrupole moment
dyddiad darganfod1980
parity

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

153Tm

Rhif màs153
neutron number84
relative atomic mass
152.942058023 ± 0.00001286 Da
g-factor
1.26 ± 0.02
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.48 ± 0.01 s
spin11/2
nuclear quadrupole moment
0.5 ± 1
dyddiad darganfod1964
parity-

decay modeintensity
α (α emission)91%
β+ (β+ decay; β+ = ϵ + e+)9%

154Tm

Rhif màs154
neutron number85
relative atomic mass
153.941570062 ± 0.000015471 Da
g-factor
-0.57 ± 0.01
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.1 ± 0.3 s
spin2
nuclear quadrupole moment
0.4 ± 0.9
dyddiad darganfod1964
parity

decay modeintensity
α (α emission)54%
β+ (β+ decay; β+ = ϵ + e+)46%

155Tm

Rhif màs155
neutron number86
relative atomic mass
154.939209576 ± 0.000010651 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
21.6 ± 0.2 s
spin11/2
nuclear quadrupole moment
dyddiad darganfod1971
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.17%
α (α emission)0.83%

156Tm

Rhif màs156
neutron number87
relative atomic mass
155.938985746 ± 0.000015328 Da
g-factor
0.2 ± 0.015
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
83.8 ± 1.8 s
spin2
nuclear quadrupole moment
-0.48 ± 0.11
dyddiad darganfod1971
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.064%

157Tm

Rhif màs157
neutron number88
relative atomic mass
156.936973 ± 0.00003 Da
g-factor
0.952 ± 0.03
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.63 ± 0.09 m
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1974
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)7.5%

158Tm

Rhif màs158
neutron number89
relative atomic mass
157.936979525 ± 0.000027074 Da
g-factor
0.02 ± 0.01
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.98 ± 0.06 m
spin2
nuclear quadrupole moment
0.74 ± 0.11
dyddiad darganfod1970
parity-

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

159Tm

Rhif màs159
neutron number90
relative atomic mass
158.934975 ± 0.00003 Da
g-factor
1.368 ± 0.012
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
9.13 ± 0.16 m
spin5/2
nuclear quadrupole moment
1.93 ± 0.07
dyddiad darganfod1971
parity+

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

160Tm

Rhif màs160
neutron number91
relative atomic mass
159.935264177 ± 0.000035089 Da
g-factor
0.16 ± 0.02
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
9.4 ± 0.3 m
spin1
nuclear quadrupole moment
0.58 ± 0.04
dyddiad darganfod1970
parity-

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

161Tm

Rhif màs161
neutron number92
relative atomic mass
160.933549 ± 0.00003 Da
g-factor
0.68571428571429 ± 0.0057142857142857
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30.2 ± 0.8 m
spin7/2
nuclear quadrupole moment
2.9 ± 0.07
dyddiad darganfod1959
parity+

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

162Tm

Rhif màs162
neutron number93
relative atomic mass
161.934001211 ± 0.000027974 Da
g-factor
0.068 ± 0.008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
21.7 ± 0.19 m
spin1
nuclear quadrupole moment
0.69 ± 0.03
dyddiad darganfod1963
parity-

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

163Tm

Rhif màs163
neutron number94
relative atomic mass
162.932658282 ± 0.00000592 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.81 ± 0.005 h
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1959
parity+

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

164Tm

Rhif màs164
neutron number95
relative atomic mass
163.933538019 ± 0.000026845 Da
g-factor
2.37 ± 0.03
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
2 ± 0.1 m
spin1
nuclear quadrupole moment
0.71 ± 0.05
dyddiad darganfod1960
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)61%
e+ (positron emission)39%

165Tm

Rhif màs165
neutron number96
relative atomic mass
164.932441843 ± 0.000001779 Da
g-factor
-0.278 ± 0.004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30.06 ± 0.03 h
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1953
parity+

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

166Tm

Rhif màs166
neutron number97
relative atomic mass
165.933562136 ± 0.000012401 Da
g-factor
0.0463 ± 0.00035
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
7.7 ± 0.03 h
spin2
nuclear quadrupole moment
2.14 ± 0.03
dyddiad darganfod1948
parity+

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

167Tm

Rhif màs167
neutron number98
relative atomic mass
166.932857206 ± 0.00000135 Da
g-factor
-0.394 ± 0.004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
9.25 ± 0.02 d
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1948
parity+

decay modeintensity
ϵ (electron capture)100%

168Tm

Rhif màs168
neutron number99
relative atomic mass
167.934178457 ± 0.0000018 Da
g-factor
0.075666666666667 ± 0.0036666666666667
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
93.1 ± 0.2 d
spin3
nuclear quadrupole moment
3.23 ± 0.07
dyddiad darganfod1949
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β (β decay)0.01%

169Tm

Rhif màs169
neutron number100
relative atomic mass
168.934218956 ± 0.000000792 Da
g-factor
-0.462 ± 0.003
natural abundance
100
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1934
parity+

170Tm

Rhif màs170
neutron number101
relative atomic mass
169.935807093 ± 0.000000785 Da
g-factor
0.247 ± 0.004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
128.6 ± 0.3 d
spin1
nuclear quadrupole moment
0.74 ± 0.02
dyddiad darganfod1936
parity-

decay modeintensity
β (β decay)99.869%
ϵ (electron capture)0.131%

171Tm

Rhif màs171
neutron number102
relative atomic mass
170.936435162 ± 0.000001043 Da
g-factor
-0.46 ± 0.008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.92 ± 0.01 y
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1948
parity+

decay modeintensity
β (β decay)100%

172Tm

Rhif màs172
neutron number103
relative atomic mass
171.938406959 ± 0.000005884 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
63.6 ± 0.3 h
spin2
nuclear quadrupole moment
dyddiad darganfod1956
parity-

decay modeintensity
β (β decay)100%

173Tm

Rhif màs173
neutron number104
relative atomic mass
172.93960663 ± 0.000004723 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8.24 ± 0.08 h
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1961
parity+

decay modeintensity
β (β decay)100%

174Tm

Rhif màs174
neutron number105
relative atomic mass
173.942174061 ± 0.00004801 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
5.4 ± 0.1 m
spin4
nuclear quadrupole moment
dyddiad darganfod1960
parity-

decay modeintensity
β (β decay)100%

175Tm

Rhif màs175
neutron number106
relative atomic mass
174.94384231 ± 0.000053677 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
15.2 ± 0.5 m
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1961
parity

decay modeintensity
β (β decay)100%

176Tm

Rhif màs176
neutron number107
relative atomic mass
175.946997707 ± 0.000107354 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.85 ± 0.03 m
spin4
nuclear quadrupole moment
dyddiad darganfod1961
parity+

decay modeintensity
β (β decay)100%

177Tm

Rhif màs177
neutron number108
relative atomic mass
176.948932 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
95 ± 7 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1989
parity+

decay modeintensity
β (β decay)100%

178Tm

Rhif màs178
neutron number109
relative atomic mass
177.952506 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1
nuclear quadrupole moment
dyddiad darganfod2008
parity-

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

179Tm

Rhif màs179
neutron number110
relative atomic mass
178.955018 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod2012
parity+

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

180Tm

Rhif màs180
neutron number111
relative atomic mass
179.959023 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod2012
parity

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

181Tm

Rhif màs181
neutron number112
relative atomic mass
180.961954 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod2012
parity+

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

182Tm

Rhif màs182
neutron number113
relative atomic mass
181.966194 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

hanes

darganfyddwr neu ddyfeisiwrPer Theodor Cleve
man darganfodSweden
dyddiad darganfod1879
geirdarddiadFrom Thule ancient name of Scandinavia.
ynganiadTHOO-li-em (Saesneg)

source

Abundance
Abundance in Earth's crust
0.52 mg/kg
natural abundance (cefnfor)
0.00000017 mg/L
natural abundance (corff dynol)
natural abundance (Awyrfaen)
0.0000029 %
natural abundance (Haul)
0.00000002 %
Abundance in Universe
0.00000001 %

Nuclear Screening Constants

1s1.3437
2p4.3588
2s18.0522
3d13.6257
3p20.5239
3s21.0816
4d36.056
4f40.366
4p33.012
4s31.8624
5p51.272
5s48.963
6s60.4158