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Polonium
Polonium

Osmium
Osmium



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Polonium
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Osmium

Properties of Polonium and Osmium

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1 Physical
1 Melting Point
Properties of T..
254.00 °C
Rank: 71 (Overall)
3,045.00 °C
Rank: 3 (Overall)
Properties of Francium
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2 Boiling Point
Properties of T..
962.00 °C
Rank: 69 (Overall)
5,027.00 °C
Rank: 6 (Overall)
Properties of Flerovium
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6 Hardness
6.1 Mohs Hardness
Properties of C..
Not Available
Rank: N/A (Overall)
7.00
Rank: 3 (Overall)
Properties of Cesium
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6.2 Brinell Hardness
Properties of O..
Not Available
Rank: N/A (Overall)
3,490.00 MPa
Rank: 1 (Overall)
Properties of Cesium
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6.4 Vickers Hardness
Properties of T..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Palladium
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7 Optical Properties
7.1 Refractive Index
Properties of P..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Mercury
8.2 Reflectivity
Properties of S..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Molybdenum
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9 Speed of Sound
Properties of T..
Not Available
Rank: N/A (Overall)
4,940.00 m/s
Rank: 11 (Overall)
Properties of Thallium
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10 Allotropes
20% Post Transition Metals Metals have it !
6% Transition Metals Metals have it !
10.1 α Allotropes
α-polonium
Not Available
10.2 β Allotropes
β-polonium
Not Available
10.3 γ Allotropes
Not Available
Not Available
3 Chemical
1 Chemical Formula
Po
Os
2 Isotopes
2.1 Known Isotopes
Properties of P..
29
Rank: 10 (Overall)
35
Rank: 4 (Overall)
Properties of Tennessine
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4 Electronegativity
4.1 Pauling Electronegativity
Properties of G..
2.00
Rank: 7 (Overall)
2.20
Rank: 4 (Overall)
Properties of Francium
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5.1 Sanderson Electronegativity
Properties of C..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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7.1 Allred Rochow Electronegativity
Properties of G..
1.76
Rank: 2 (Overall)
1.52
Rank: 12 (Overall)
Properties of Cesium
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8.1 Mulliken-Jaffe Electronegativity
Properties of P..
2.48
Rank: 1 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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10.1 Allen Electronegativity
Properties of B..
2.19
Rank: 2 (Overall)
1.65
Rank: 19 (Overall)
Properties of Cesium
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2 Electropositivity
2.1 Pauling Electropositivity
Properties of F..
2.00
Rank: 46 (Overall)
1.80
Rank: 49 (Overall)
Properties of Gold
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3 Ionization Energies
3.1 1st Energy Level
Properties of C..
812.10 kJ/mol
Rank: 14 (Overall)
840.00 kJ/mol
Rank: 12 (Overall)
Properties of Cesium
4.1 2nd Energy Level
Properties of C..
Not Available
Rank: N/A (Overall)
1,309.80 kJ/mol
Rank: 53 (Overall)
Properties of Ruthenium
5.1 3rd Energy Level
Properties of C..
Not Available
Rank: N/A (Overall)
1,600.00 kJ/mol
Rank: 82 (Overall)
Properties of Osmium
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7 Electrochemical Equivalent
Properties of F..
3.90 g/amp-hr
Rank: 8 (Overall)
1.77 g/amp-hr
Rank: 38 (Overall)
Properties of Beryllium
8 Electron Work Function
Properties of P..
Not Available
Rank: N/A (Overall)
4.83 eV
Rank: 8 (Overall)
Properties of Cesium
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10 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Ionization, Solubility
5 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
9.20 g/cm3
Rank: 41 (Overall)
22.59 g/cm3
Rank: 9 (Overall)
Properties of Lithium
1.3 Density When Liquid (at m.p.)
Properties of O..
9.40 g/cm3
Rank: 19 (Overall)
20.00 g/cm3
Rank: 1 (Overall)
Properties of Lithium
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2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cerium
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3.1 Vapor Pressure at 2000 K
Properties of C..
Not Available
Rank: N/A (Overall)
0.00 (Pa)
Rank: 28 (Overall)
Properties of Tungsten
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2 Tensile Strength
Properties of I..
Not Available
Rank: N/A (Overall)
1,000.00 MPa
Rank: 4 (Overall)
Properties of Indium
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3 Viscosity
Properties of M..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Mercury
4 Elasticity properties
4.1 Shear Modulus
Properties of O..
Not Available
Rank: N/A (Overall)
222.00 GPa
Rank: 1 (Overall)
Properties of Potassium
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5.1 Bulk Modulus
Properties of O..
Not Available
Rank: N/A (Overall)
462.00 GPa
Rank: 1 (Overall)
Properties of Cesium
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5.4 Young's Modulus
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Cesium
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6 Poisson Ratio
Properties of G..
Not Available
Rank: N/A (Overall)
0.25
Rank: 24 (Overall)
Properties of Beryllium
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7 Other Mechanical Properties
NA
Ductile
7 Periodic Table
1 Symbol
Po
Os
2 Group Number
Properties of T..
16
Rank: 2 (Overall)
8
Rank: 10 (Overall)
Properties of Gadolinium
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2 Period Number
Properties of U..
6
Rank: 2 (Overall)
6
Rank: 2 (Overall)
Properties of Lithium
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4 Block
p block
d block
5 Element Family
Post-​Transition
Transition Metal
9 Atomic
1 Atomic Number
Properties of T..
84
Rank: 32 (Overall)
76
Rank: 40 (Overall)
Properties of Lithium
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3 Atomic Weight
Properties of T..
209.00 amu
Rank: 28 (Overall)
190.23 amu
Rank: 35 (Overall)
Properties of Lithium
5 Atomic Volume
Properties of C..
22.23 cm3/mol
Rank: 13 (Overall)
8.49 cm3/mol
Rank: 58 (Overall)
Properties of Manganese
7 Electron Configuration
[Xe] 4f14 5d10 6s2 6p4
[Xe] 4f14 5d6 6s2
8 Valence Electron Potential
Properties of P..
Not Available
Rank: 100 (Overall)
91.40 (-eV)
Rank: 12 (Overall)
Properties of Francium
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10 Atom
10.1 Number of Protons
Properties of T..
84
Rank: 32 (Overall)
76
Rank: 39 (Overall)
Properties of Lithium
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10.3 Number of Neutrons
Properties of F..
125
Rank: 19 (Overall)
114
Rank: 25 (Overall)
Properties of Lithium
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10.5 Number of Electrons
Properties of T..
84
Rank: 32 (Overall)
76
Rank: 39 (Overall)
Properties of Lithium
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12 Crystal Structure
Monoclinic (MON)
Hexagonal Close Packed (HCP)
12.1 Crystal Lattice
13 Radius of an Atom
13.1 Atomic Radius
Properties of C..
168.00 pm
Rank: 23 (Overall)
133.80 pm
Rank: 44 (Overall)
Properties of Beryllium
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13.2 Covalent Radius
Properties of F..
140.00 pm
Rank: 44 (Overall)
Not Available
Rank: N/A (Overall)
Properties of Beryllium
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13.3 Van der Waals Radius
Properties of F..
197.00 pm
Rank: 29 (Overall)
216.00 pm
Rank: 24 (Overall)
Properties of Zinc
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14 Lattice Constant
Properties of M..
335.90 pm
Rank: 48 (Overall)
273.44 pm
Rank: 66 (Overall)
Properties of Beryllium
15 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
16 Lattice C/A Ratio
Properties of C..
Not Available
Rank: N/A (Overall)
1.58
Rank: 14 (Overall)
Properties of Beryllium
17 Adjacent Atomic Numbers
17.1 Next Element
17.2 Previous Element
10 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
0.40 nΩ·m
Rank: 67 (Overall)
81.20 nΩ·m
Rank: 35 (Overall)
Properties of Thallium
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1.2 Electrical Conductivity
Properties of S..
0.02 106/cm Ω
Rank: 44 (Overall)
0.11 106/cm Ω
Rank: 18 (Overall)
Properties of Plutonium
1.3 Electron Affinity
Properties of G..
183.30 kJ/mol
Rank: 3 (Overall)
106.10 kJ/mol
Rank: 9 (Overall)
Properties of Mercury
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1.4 Electrical Property
Conductor
Conductor
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
9.32
Rank: 31 (Overall)
22.57
Rank: 2 (Overall)
Properties of Lithium
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2.2 Magnetic Ordering
Nonmagnetic
Paramagnetic
2.3 Permeability
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Bismuth
2.4 Susceptibility
Properties of I..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Bismuth
11 Thermal
1 Specific Heat
Properties of L..
0.12 J/(kg K)
Rank: 40 (Overall)
0.13 J/(kg K)
Rank: 39 (Overall)
Properties of Americium
2 Thermal Conductivity
Properties of S..
20.00 W/m·K
Rank: 44 (Overall)
87.60 W/m·K
Rank: 19 (Overall)
Properties of Neptunium
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3 Critical Temperature
Properties of L..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Properties of Ytterbium
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4 Molar Heat Capacity
Properties of A..
26.40 J/mol·K
Rank: 28 (Overall)
24.70 J/mol·K
Rank: 49 (Overall)
Properties of Beryllium
5 Thermal Expansion
Properties of C..
23.50 µm/(m·K)
Rank: 16 (Overall)
5.10 µm/(m·K)
Rank: 56 (Overall)
Properties of Tungsten
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6 Standard Molar Entropy
Properties of P..
Not Available
Rank: N/A (Overall)
32.60 J/mol.K
Rank: 47 (Overall)
Properties of Beryllium
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7 Enthalpy
7.1 Enthalpy of Vaporization
Properties of T..
60.30 kJ/mol
Rank: 58 (Overall)
627.60 kJ/mol
Rank: 7 (Overall)
Properties of Zinc
7.2 Enthalpy of Fusion
Properties of T..
13.00 kJ/mol
Rank: 26 (Overall)
29.30 kJ/mol
Rank: 4 (Overall)
Properties of Cesium
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7.3 Enthalpy of Atomization
Properties of T..
134.00 kJ/mol
Rank: 54 (Overall)
669.00 kJ/mol
Rank: 6 (Overall)
Properties of Mercury
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