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Thallium
Thallium
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Technetium
Technetium
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Thallium
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Properties of Thallium and Technetium

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1 Physical
1 Melting Point
Properties of T..
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303.50 °C
Rank: 69 (Overall)â–¶
2,200.00 °C
Rank: 9 (Overall)â–¶
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Properties of Francium
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2 Boiling Point
Properties of T..
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1,457.00 °C
Rank: 60 (Overall)â–¶
4,877.00 °C
Rank: 7 (Overall)â–¶
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Properties of Flerovium
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3 Hardness
3.1 Mohs Hardness
Properties of C..
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1.20
Rank: 20 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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3.2 Brinell Hardness
Properties of O..
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26.50 MPa
Rank: 50 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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3.3 Vickers Hardness
Properties of T..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Palladium
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4 Optical Properties
4.1 Refractive Index
Properties of P..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Mercury
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4.2 Reflectivity
Properties of S..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Molybdenum
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5 Speed of Sound
Properties of T..
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818.00 m/s
Rank: 53 (Overall)â–¶
16,200.00 m/s
Rank: 1 (Overall)â–¶
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Properties of Thallium
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6 Allotropes
✔ ✘
20% Post Transition Metals Metals have it !
✔ ✘
6% Transition Metals Metals have it !
6.1 α Allotropes
Not Available
Not Available
6.2 β Allotropes
Not Available
Not Available
6.3 γ Allotropes
Not Available
Not Available
2 Chemical
1 Chemical Formula
Tl
Tc
2 Isotopes
2.1 Known Isotopes
Properties of P..
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32
Rank: 7 (Overall)â–¶
18
Rank: 21 (Overall)â–¶
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Properties of Tennessine
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3 Electronegativity
3.1 Pauling Electronegativity
Properties of G..
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1.62
Rank: 21 (Overall)â–¶
1.90
Rank: 11 (Overall)â–¶
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Properties of Francium
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3.2 Sanderson Electronegativity
Properties of C..
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2.25
Rank: 5 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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3.3 Allred Rochow Electronegativity
Properties of G..
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1.44
Rank: 17 (Overall)â–¶
1.36
Rank: 20 (Overall)â–¶
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Properties of Cesium
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3.4 Mulliken-Jaffe Electronegativity
Properties of P..
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1.96
Rank: 6 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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3.5 Allen Electronegativity
Properties of B..
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1.79
Rank: 13 (Overall)â–¶
1.51
Rank: 28 (Overall)â–¶
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Properties of Cesium
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4 Electropositivity
4.1 Pauling Electropositivity
Properties of F..
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2.38
Rank: 33 (Overall)â–¶
2.10
Rank: 42 (Overall)â–¶
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Properties of Gold
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5 Ionization Energies
5.1 1st Energy Level
Properties of C..
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589.40 kJ/mol
Rank: 58 (Overall)â–¶
702.00 kJ/mol
Rank: 36 (Overall)â–¶
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Properties of Cesium
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5.2 2nd Energy Level
Properties of C..
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1,971.00 kJ/mol
Rank: 14 (Overall)â–¶
1,470.00 kJ/mol
Rank: 41 (Overall)â–¶
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Properties of Ruthenium
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5.3 3rd Energy Level
Properties of C..
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2,878.00 kJ/mol
Rank: 32 (Overall)â–¶
2,850.00 kJ/mol
Rank: 33 (Overall)â–¶
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Properties of Osmium
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6 Electrochemical Equivalent
Properties of F..
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7.63 g/amp-hr
Rank: 2 (Overall)â–¶
0.52 g/amp-hr
Rank: 68 (Overall)â–¶
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Properties of Beryllium
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7 Electron Work Function
Properties of P..
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3.84 eV
Rank: 28 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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8 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
3 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
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11.85 g/cm3
Rank: 31 (Overall)â–¶
11.00 g/cm3
Rank: 34 (Overall)â–¶
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Properties of Lithium
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1.2 Density When Liquid (at m.p.)
Properties of O..
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11.22 g/cm3
Rank: 13 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Lithium
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2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
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16.90 (Pa)
Rank: 5 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cerium
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2.2 Vapor Pressure at 2000 K
Properties of C..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Tungsten
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3 Tensile Strength
Properties of I..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Indium
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4 Viscosity
Properties of M..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Mercury
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5 Elasticity properties
5.1 Shear Modulus
Properties of O..
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2.80 GPa
Rank: 51 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Potassium
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5.2 Bulk Modulus
Properties of O..
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43.00 GPa
Rank: 28 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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5.3 Young's Modulus
Properties of I..
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8.00 GPa
Rank: 54 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Cesium
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6 Poisson Ratio
Properties of G..
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0.45
Rank: 2 (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Beryllium
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7 Other Mechanical Properties
Ductile, Sectile
NA
4 Periodic Table
1 Symbol
Tl
Tc
2 Group Number
Properties of T..
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13
Rank: 5 (Overall)â–¶
7
Rank: 11 (Overall)â–¶
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Properties of Gadolinium
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3 Period Number
Properties of U..
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6
Rank: 2 (Overall)â–¶
5
Rank: 3 (Overall)â–¶
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Properties of Lithium
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4 Block
p block
d block
5 Element Family
Post-​Transition
Transition Metal
5 Atomic
1 Atomic Number
Properties of T..
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81
Rank: 35 (Overall)â–¶
43
Rank: 69 (Overall)â–¶
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Properties of Lithium
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2 Atomic Weight
Properties of T..
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204.38 amu
Rank: 31 (Overall)â–¶
98.00 amu
Rank: 63 (Overall)â–¶
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Properties of Lithium
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3 Atomic Volume
Properties of C..
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17.20 cm3/mol
Rank: 31 (Overall)â–¶
8.50 cm3/mol
Rank: 57 (Overall)â–¶
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Properties of Manganese
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4 Electron Configuration
[Xe] 4f14 5d10 6s2 6p1
[Kr] 4d5 5s2
5 Valence Electron Potential
Properties of P..
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9.60 (-eV)
Rank: 64 (Overall)â–¶
180.00 (-eV)
Rank: 3 (Overall)â–¶
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Properties of Francium
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6 Atom
6.1 Number of Protons
Properties of T..
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81
Rank: 35 (Overall)â–¶
43
Rank: 68 (Overall)â–¶
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Properties of Lithium
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6.2 Number of Neutrons
Properties of F..
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123
Rank: 20 (Overall)â–¶
55
Rank: 51 (Overall)â–¶
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Properties of Lithium
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6.3 Number of Electrons
Properties of T..
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81
Rank: 35 (Overall)â–¶
43
Rank: 68 (Overall)â–¶
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Properties of Lithium
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7 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
7.1 Crystal Lattice
8 Radius of an Atom
8.1 Atomic Radius
Properties of C..
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170.00 pm
Rank: 22 (Overall)â–¶
136.00 pm
Rank: 41 (Overall)â–¶
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Properties of Beryllium
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8.2 Covalent Radius
Properties of F..
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145.00 pm
Rank: 39 (Overall)â–¶
147.00 pm
Rank: 37 (Overall)â–¶
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Properties of Beryllium
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8.3 Van der Waals Radius
Properties of F..
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196.00 pm
Rank: 30 (Overall)â–¶
200.00 pm
Rank: 28 (Overall)â–¶
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Properties of Zinc
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9 Lattice Constant
Properties of M..
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345.66 pm
Rank: 45 (Overall)â–¶
273.50 pm
Rank: 65 (Overall)â–¶
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Properties of Beryllium
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10 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
11 Lattice C/A Ratio
Properties of C..
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1.60
Rank: 6 (Overall)â–¶
1.60
Rank: 5 (Overall)â–¶
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Properties of Beryllium
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12 Adjacent Atomic Numbers
12.1 Next Element
12.2 Previous Element
6 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
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0.18 nΩ·m
Rank: 70 (Overall)â–¶
200.00 nΩ·m
Rank: 18 (Overall)â–¶
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Properties of Thallium
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1.2 Electrical Conductivity
Properties of S..
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0.06 106/cm Ω
Rank: 32 (Overall)â–¶
0.07 106/cm Ω
Rank: 30 (Overall)â–¶
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Properties of Plutonium
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1.3 Electron Affinity
Properties of G..
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19.20 kJ/mol
Rank: 32 (Overall)â–¶
53.00 kJ/mol
Rank: 18 (Overall)â–¶
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Properties of Mercury
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1.4 Electrical Property
Conductor
Conductor
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
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11.85
Rank: 22 (Overall)â–¶
11.50
Rank: 24 (Overall)â–¶
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Properties of Lithium
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2.2 Magnetic Ordering
Diamagnetic
Paramagnetic
2.3 Permeability
Properties of I..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Bismuth
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2.4 Susceptibility
Properties of I..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Bismuth
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7 Thermal
1 Specific Heat
Properties of L..
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0.13 J/(kg K)
Rank: 39 (Overall)â–¶
0.21 J/(kg K)
Rank: 29 (Overall)â–¶
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Properties of Americium
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2 Thermal Conductivity
Properties of S..
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46.10 W/m·K
Rank: 33 (Overall)â–¶
50.60 W/m·K
Rank: 30 (Overall)â–¶
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Properties of Neptunium
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3 Critical Temperature
Properties of L..
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Not Available
Rank: N/A (Overall)â–¶
Not Available
Rank: N/A (Overall)â–¶
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Properties of Ytterbium
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4 Molar Heat Capacity
Properties of A..
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26.32 J/mol·K
Rank: 29 (Overall)â–¶
24.27 J/mol·K
Rank: 52 (Overall)â–¶
â–²
Properties of Beryllium
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5 Thermal Expansion
Properties of C..
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29.90 µm/(m·K)
Rank: 12 (Overall)â–¶
7.10 µm/(m·K)
Rank: 49 (Overall)â–¶
â–²
Properties of Tungsten
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6 Standard Molar Entropy
Properties of P..
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â–¶
â–¼
64.20 J/mol.K
Rank: 19 (Overall)â–¶
181.10 J/mol.K
Rank: 2 (Overall)â–¶
â–²
Properties of Beryllium
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7 Enthalpy
7.1 Enthalpy of Vaporization
Properties of T..
⊕
â–¶
â–¼
162.10 kJ/mol
Rank: 45 (Overall)â–¶
660.00 kJ/mol
Rank: 6 (Overall)â–¶
â–²
Properties of Zinc
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7.2 Enthalpy of Fusion
Properties of T..
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4.27 kJ/mol
Rank: 54 (Overall)â–¶
23.01 kJ/mol
Rank: 9 (Overall)â–¶
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Properties of Cesium
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7.3 Enthalpy of Atomization
Properties of T..
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179.90 kJ/mol
Rank: 48 (Overall)â–¶
649.00 kJ/mol
Rank: 8 (Overall)â–¶
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Properties of Mercury
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