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Roentgenium
Roentgenium

Thulium
Thulium



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Roentgenium
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Roentgenium vs Thulium

1 Periodic Table
1.1 Symbol
Rg
Tm
1.2 Group Number
11NA
Gadolinium
0 17
2.6 Period Number
76
Lithium
2 7
2.9 Block
d block
f block
2.11 Element Family
Unknown
Lanthanide
2.12 CAS Number
543862427440304
Aluminium
7429905 54386242
2.13 Space Group Name
Not Available
P63/mmc
2.14 Space Group Number
194.00194.00
Plutonium
11 229
3 Facts
3.1 Interesting Facts
Not Available
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
3.2 Sources
Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Per Teodor Cleve
3.3.2 Discovery
In 1994
In 1879
3.4 Abundance
3.4.1 Abundance In Universe
NA1 * 10-8 %
Thallium
5E-09 0.11
4.4.2 Abundance In Sun
~-9999 %~0.00000002 %
Beryllium
1E-08 0.1
4.4.5 Abundance In Meteorites
NA0.00 %
Gold
1.7E-07 22
4.4.8 Abundance In Earth's Crust
NA0.00 %
Radium
9.9E-12 8.1
5.2.5 Abundance In Oceans
NA0.00 %
Protactinium
2E-23 1.1
5.2.7 Abundance In Humans
NANA
Radium
1E-13 1.4
7 Uses
7.1 Uses & Benefits
  • Currently known uses of Roentgenium metal are limited to research purpose only.
  • Thulium metal produces isotopes that emits X-rays. This isotope is used in X-ray machine.
  • Thulium element is also used in Surgical equipment like laser.
7.1.1 Industrial Uses
NA
NA
7.1.2 Medical Uses
NA
NA
7.1.3 Other Uses
Research Purposes
Alloys, Nuclear Research, Research Purposes
7.2 Biological Properties
7.2.1 Toxicity
Unknown
Unknown
7.2.2 Present in Human Body
7.2.4 In Blood
0.00 Blood/mg dm-3NA
Plutonium
0 1970
8.2.2 In Bone
0.00 p.p.m.NA
Plutonium
0 170000
9 Physical
9.1 Melting Point
NA1,545.00 °C
Francium
27 3410
9.2 Boiling Point
NA1,730.00 °C
Flerovium
147 5660
10.2 Appearance
10.2.1 Physical State
Solid
Solid
10.2.2 Color
Silver
Silvery Gray
10.2.3 Luster
Unknown Luster
Metallic
10.3 Hardness
10.3.1 Mohs Hardness
NANA
Cesium
0.2 8.5
10.4.1 Brinell Hardness
NA471.00 MPa
Cesium
0.14 3490
10.7.2 Vickers Hardness
NA520.00 MPa
Palladium
121 3430
10.9 Speed of Sound
NANA
Thallium
818 16200
11.3 Optical Properties
11.3.1 Refractive Index
NANA
Mercury
1.000933 1.7229
11.3.2 Reflectivity
NANA
Molybdenum
58 97
11.6 Allotropes
11.6.1 α Allotropes
Not Available
Not Available
11.6.2 β Allotropes
Not Available
Not Available
11.6.3 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
Rg
Tm
12.2 Isotopes
12.2.1 Known Isotopes
132
Tennessine
0 38
12.4 Electronegativity
12.4.1 Pauling Electronegativity
NA1.25
Francium
0.7 2.54
12.4.4 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
13.2.3 Allred Rochow Electronegativity
NA1.11
Cesium
0.86 1.82
13.3.3 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
13.3.5 Allen Electronegativity
NANA
Cesium
0.659 2.7
13.6 Electropositivity
13.6.1 Pauling Electropositivity
NA2.75
Gold
1.46 3.3
13.7 Ionization Energies
13.7.1 1st Energy Level
1,022.70 kJ/mol596.70 kJ/mol
Cesium
375.7 26130
13.7.3 2nd Energy Level
2,074.40 kJ/mol1,160.00 kJ/mol
Ruthenium
710.2162 28750
13.7.5 3rd Energy Level
3,077.90 kJ/mol2,285.00 kJ/mol
Osmium
1600 34230
13.8.2 4th Energy Level
4,052.40 kJ/mol4,120.00 kJ/mol
Thorium
2780 37066
13.9.2 5th Energy Level
5,306.70 kJ/molNA
Dubnium
4305.2 97510
13.9.5 6th Energy Level
NANA
Seaborgium
5715.8 105800
13.9.8 7th Energy level
NANA
Bohrium
7226.8 114300
13.9.10 8th Energy Level
NANA
Hassium
8857.4 125300
13.9.13 9th Energy Level
NANA
Yttrium
14110 134700
13.9.16 10th Energy Level
NANA
Strontium
17100 144300
13.9.19 11th Energy Level
NANA
Yttrium
19900 169988
13.9.22 12th Energy Level
NANA
Molybdenum
22219 189368
13.9.25 13th Energy Level
NANA
Molybdenum
26930 76015
13.9.29 14th Energy Level
NANA
Molybdenum
29196 86450
13.9.33 15th Energy Level
NANA
Manganese
41987 97510
13.9.38 16th Energy Level
NANA
Iron
47206 109480
13.9.41 17th Energy Level
NANA
Cobalt
52737 122200
13.9.46 18th Energy Level
NANA
Nickel
58570 134810
13.9.49 19th Energy Level
NANA
Copper
64702 148700
13.9.52 20th Energy Level
NANA
Molybdenum
80400 171200
13.9.55 21st Energy Level
NANA
Molybdenum
87000 179100
13.9.58 22nd Energy Level
NANA
Molybdenum
93400 184900
13.9.60 23rd Energy Level
NANA
Molybdenum
98420 198800
13.9.63 24th Energy Level
NANA
Molybdenum
104400 195200
13.9.66 25th Energy Level
NANA
Molybdenum
121900 121900
13.10.2 26th Energy Level
NANA
Molybdenum
127700 127700
13.10.4 27th Energy Level
NANA
Molybdenum
133800 133800
13.11.2 28th Energy Level
NANA
Molybdenum
139800 139800
13.11.4 29th Energy Level
NANA
Molybdenum
148100 148100
14.1.2 30th Energy Level
NANA
Molybdenum
154500 154500
14.2 Electrochemical Equivalent
NA2.10 g/amp-hr
Beryllium
0.16812 8.3209
14.6 Electron Work Function
NANA
Cesium
2.14 5.65
14.7 Other Chemical Properties
NA
Ionization, Radioactive Isotopes, Solubility
15 Atomic
15.1 Atomic Number
11169
Lithium
3 117
15.2 Electron Configuration
[Rn] 5f14 6d9 7s2
[Xe] 4f13 6s2
15.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
15.3.1 Crystal Lattice
15.4 Atom
15.4.1 Number of Protons
11169
Lithium
3 117
15.6.2 Number of Neutrons
161100
Lithium
4 184
15.7.2 Number of Electrons
11169
Lithium
3 117
16.3 Radius of an Atom
16.3.1 Atomic Radius
NA176.00 pm
Beryllium
112 265
16.6.2 Covalent Radius
NA160.00 pm
Beryllium
96 260
16.7.2 Van der Waals Radius
NANA
Zinc
139 348
16.10 Atomic Weight
281.00 amu168.93 amu
Lithium
6.94 294
16.11 Atomic Volume
NA18.10 cm3/mol
Manganese
1.39 71.07
16.13 Adjacent Atomic Numbers
16.13.1 Previous Element
16.13.2 Next Element
16.14 Valence Electron Potential
NA49.70 (-eV)
Francium
8 392.42
17.2 Lattice Constant
NA353.75 pm
Beryllium
228.58 891.25
17.3 Lattice Angles
NA
π/2, π/2, 2 π/3
17.4 Lattice C/A Ratio
NA1.57
Beryllium
1.567 1.886
18 Mechanical
18.1 Density
18.1.1 Density At Room Temperature
28.70 g/cm39.32 g/cm3
Lithium
0.534 40.7
18.2.1 Density When Liquid (at m.p.)
NA8.56 g/cm3
Lithium
0.512 20
18.6 Tensile Strength
NANA
Indium
2.5 11000
18.7 Viscosity
NANA
Mercury
0.001526 0.001526
18.9 Vapor Pressure
18.9.1 Vapor Pressure at 1000 K
NA0.06 (Pa)
Cerium
2.47E-11 121
18.12.1 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
18.14 Elasticity properties
18.14.1 Shear Modulus
NA30.50 GPa
Potassium
1.3 222
18.15.1 Bulk Modulus
NA44.50 GPa
Cesium
1.6 462
19.1.2 Young's Modulus
NA74.00 GPa
Cesium
1.7 528
19.3 Poisson Ratio
NA0.21
Beryllium
0.032 0.47
19.5 Other Mechanical Properties
Unknown
Ductile, Malleable
20 Magnetic
20.1 Magnetic Characteristics
20.1.1 Specific Gravity
NA9.32
Lithium
0.53 4500
21.2.2 Magnetic Ordering
Unknown
Paramagnetic
21.2.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
21.3.3 Susceptibility
NANA
Bismuth
-0.000166 200000
21.5 Electrical Properties
21.5.1 Electrical Property
Unknown
Conductor
21.5.2 Resistivity
NA676.00 nΩ·m
Thallium
0.18 961
21.6.2 Electrical Conductivity
NA0.02 106/cm Ω
Plutonium
0.00666 0.63
21.6.5 Electron Affinity
NA50.00 kJ/mol
Mercury
0 222.8
22 Thermal
22.1 Specific Heat
NA0.16 J/(kg K)
Americium
0.11 3.6
23.2 Molar Heat Capacity
NA27.03 J/mol·K
Beryllium
16.443 62.7
23.5 Thermal Conductivity
NA16.90 W/m·K
Neptunium
6.3 429
24.3 Critical Temperature
NANA
Ytterbium
26.3 3223
24.5 Thermal Expansion
NA13.30 µm/(m·K)
Tungsten
4.5 97
24.8 Enthalpy
24.8.1 Enthalpy of Vaporization
NA191.00 kJ/mol
Zinc
7.32 799.1
24.8.3 Enthalpy of Fusion
NA16.80 kJ/mol
Cesium
2.1 35.23
24.9.3 Enthalpy of Atomization
NA247.00 kJ/mol
Mercury
61.5 837
24.10 Standard Molar Entropy
NA74.00 J/mol.K
Beryllium
9.5 198.1