1 Periodic Table
1.1 Symbol
1.2 Group Number
2.2 Period Number
2.3 Block
2.4 Element Family
Actinide
Transition Metal
2.5 CAS Number
74403487440042
7429905
54386242
2.9 Space Group Name
2.10 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
3.2 Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Found As a By-product, Found in Minerals, Mining
3.3 History
3.3.1 Who Discovered
Friedrich Oskar Giesel
Smithson Tennant
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.5.3 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
3.5.7 Abundance In Meteorites
3.7.1 Abundance In Earth's Crust
3.10.2 Abundance In Oceans
3.12.1 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
- Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
-
It is also used as industrial catalyst to speed up the chemical reaction.
5.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
5.1.2 Medical Uses
5.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
5.2.5 In Bone
6 Physical
6.1 Melting Point
1,227.00 °C3,045.00 °C
27
3410
6.4 Boiling Point
3,200.00 °C5,027.00 °C
147
5660
6.5 Appearance
6.5.1 Physical State
6.5.2 Color
Silvery White
Silvery Bluish-Gray
6.5.3 Luster
6.6 Hardness
6.6.1 Mohs Hardness
6.7.2 Brinell Hardness
6.7.4 Vickers Hardness
6.8 Speed of Sound
6.9 Optical Properties
6.9.1 Refractive Index
6.9.3 Reflectivity
6.10 Allotropes
6.10.1 α Allotropes
Not Available
Not Available
6.10.2 β Allotropes
Not Available
Not Available
6.10.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
8.1.4 Sanderson Electronegativity
8.2.3 Allred Rochow Electronegativity
8.2.4 Mulliken-Jaffe Electronegativity
8.2.6 Allen Electronegativity
8.3 Electropositivity
8.3.1 Pauling Electropositivity
8.4 Ionization Energies
8.4.1 1st Energy Level
499.00 kJ/mol840.00 kJ/mol
375.7
26130
8.4.3 2nd Energy Level
1,170.00 kJ/mol1,309.80 kJ/mol
710.2162
28750
8.5.1 3rd Energy Level
1,900.00 kJ/mol1,600.00 kJ/mol
1600
34230
9.1.1 4th Energy Level
4,700.00 kJ/molNA
2780
37066
9.3.1 5th Energy Level
9.4.1 6th Energy Level
9.4.2 7th Energy level
10.1.1 8th Energy Level
10.2.1 9th Energy Level
10.2.2 10th Energy Level
10.6.2 11th Energy Level
10.6.3 12th Energy Level
10.7.2 13th Energy Level
10.7.5 14th Energy Level
10.7.6 15th Energy Level
10.7.9 16th Energy Level
10.8.1 17th Energy Level
10.8.2 18th Energy Level
10.9.2 19th Energy Level
10.9.3 20th Energy Level
10.9.4 21st Energy Level
10.9.6 22nd Energy Level
10.9.7 23rd Energy Level
10.9.8 24th Energy Level
10.9.10 25th Energy Level
10.9.11 26th Energy Level
10.10.1 27th Energy Level
10.10.2 28th Energy Level
10.10.3 29th Energy Level
10.10.4 30th Energy Level
10.12 Electrochemical Equivalent
2.82 g/amp-hr1.77 g/amp-hr
0.16812
8.3209
10.13 Electron Work Function
10.16 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Ionization, Solubility
11 Atomic
11.1 Atomic Number
11.3 Electron Configuration
[Rn] 6d1 7s2
[Xe] 4f14 5d6 6s2
11.4 Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
11.4.1 Crystal Lattice
11.5 Atom
11.5.1 Number of Protons
11.7.1 Number of Neutrons
12.1.2 Number of Electrons
12.2 Radius of an Atom
12.2.1 Atomic Radius
195.00 pm133.80 pm
112
265
12.2.3 Covalent Radius
12.3.1 Van der Waals Radius
12.5 Atomic Weight
227.00 amu190.23 amu
6.94
294
12.7 Atomic Volume
22.54 cm3/mol8.49 cm3/mol
1.39
71.07
12.9 Adjacent Atomic Numbers
12.9.1 Previous Element
12.9.2 Next Element
12.10 Valence Electron Potential
38.60 (-eV)91.40 (-eV)
8
392.42
12.11 Lattice Constant
567.00 pm273.44 pm
228.58
891.25
12.12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
12.13 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
10.00 g/cm322.59 g/cm3
0.534
40.7
14.1.4 Density When Liquid (at m.p.)
14.3 Tensile Strength
14.4 Viscosity
14.5 Vapor Pressure
14.5.1 Vapor Pressure at 1000 K
15.1.1 Vapor Pressure at 2000 K
15.3 Elasticity properties
15.3.1 Shear Modulus
15.5.1 Bulk Modulus
15.6.1 Young's Modulus
15.8 Poisson Ratio
15.9 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
16.2.2 Permeability
16.2.3 Susceptibility
16.3 Electrical Properties
16.3.1 Electrical Property
16.3.2 Resistivity
16.3.3 Electrical Conductivity
NA0.11 106/cm Ω
0.00666
0.63
16.3.4 Electron Affinity
17 Thermal
17.1 Specific Heat
0.12 J/(kg K)0.13 J/(kg K)
0.11
3.6
17.2 Molar Heat Capacity
27.20 J/mol·K24.70 J/mol·K
16.443
62.7
17.3 Thermal Conductivity
12.00 W/m·K87.60 W/m·K
6.3
429
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
NA627.60 kJ/mol
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
301.00 kJ/mol669.00 kJ/mol
61.5
837
17.7 Standard Molar Entropy
56.50 J/mol.K32.60 J/mol.K
9.5
198.1