Osmium

Aluminium

Osmium vs Aluminium

Osmium

Aluminium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

813

0 17

1.3 Period Number

2 7

1.4 Block

d block

p block

1.5 Element Family

Transition Metal

Post-Transition

1.6 CAS Number

74400427429905

7429905 54386242

1.7 Space Group Name

P63/mmc

Fm_ 3m

1.8 Space Group Number

194.00225.00

11 229

2 Facts

2.1 Interesting Facts

Osmium metal does not oxidize in air unless it is heated.
But if it heated den it forms Osmium Tetroxide, which is highly toxic.

Aluminum’s abundance percentage is more as it is found in more than 260 minerals.

Pure Aluminum always reacts with oxygen rapidly.

It is a good conductor of heat and electricity and used in transmission lines.

2.2 Sources

Found As a By-product, Found in Minerals, Mining

By Electrolysis Process, Earth's crust, Mining

2.3 History

2.3.1 Who Discovered

Smithson Tennant

Hans Christian Oersted

2.3.2 Discovery

In 1803

In 1825

2.4 Abundance

2.4.1 Abundance In Universe

3 * 10^-7 %5 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000002 %~0.006 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.91 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %8.10 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

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.

Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.

3.1.1 Industrial Uses

Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry

Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing

3.1.3 Other Uses

Alloys

Alloys, Jewellery, Sculptures, Statues

3.2 Biological Properties

3.2.1 Toxicity

Highly Toxic

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

NA0.39 Blood/mg dm-3

0 1970

3.2.4 In Bone

NA27.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

3,045.00 °C660.37 °C

27 3410

4.2 Boiling Point

5,027.00 °C2,467.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery Bluish-Gray

Silvery Gray

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

7.002.75

0.2 8.5

4.4.2 Brinell Hardness

3,490.00 MPa160.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA160.00 MPa

121 3430

4.5 Speed of Sound

4,940.00 m/s5,000.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA71.00 %

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

3511

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

2.201.61

0.7 2.54

5.3.2 Sanderson Electronegativity

NA1.71

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.521.47

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA1.83

0.62 2.48

5.3.5 Allen Electronegativity

1.651.61

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

1.802.39

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

840.00 kJ/mol577.50 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,309.80 kJ/mol1,816.70 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

1,600.00 kJ/mol2,744.80 kJ/mol

1600 34230

5.5.4 4th Energy Level

NA11,577.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA14,842.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA18,379.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA23,326.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA27,465.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA31,853.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA38,473.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA42,647.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NANA

22219 189368

5.5.13 13th Energy Level

NANA

26930 76015

5.5.14 14th Energy Level

NANA

29196 86450

5.5.15 15th Energy Level

NANA

41987 97510

5.5.16 16th Energy Level

NANA

47206 109480

5.5.17 17th Energy Level

NANA

52737 122200

5.5.18 18th Energy Level

NANA

58570 134810

5.5.19 19th Energy Level

NANA

64702 148700

5.5.20 20th Energy Level

NANA

80400 171200

5.5.21 21st Energy Level

NANA

87000 179100

5.5.22 22nd Energy Level

NANA

93400 184900

5.5.23 23rd Energy Level

NANA

98420 198800

5.5.24 24th Energy Level

NANA

104400 195200

5.5.25 25th Energy Level

NANA

121900 121900

5.5.26 26th Energy Level

NANA

127700 127700

5.5.27 27th Energy Level

NANA

133800 133800

5.5.28 28th Energy Level

NANA

139800 139800

5.5.29 29th Energy Level

NANA

148100 148100

5.5.30 30th Energy Level

NANA

154500 154500

5.6 Electrochemical Equivalent

1.77 g/amp-hr0.34 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

4.83 eV4.28 eV

2.14 5.65

5.8 Other Chemical Properties

Chemical Stability, Ionization, Solubility

Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

7613

3 117

6.2 Electron Configuration

[Xe] 4f¹⁴ 5d⁶ 6s²

[Ne] 3s² 3p¹

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

7613

3 117

6.4.2 Number of Neutrons

11414

4 184

6.4.3 Number of Electrons

7613

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

133.80 pm143.00 pm

112 265

6.5.2 Covalent Radius

NA121.00 pm

96 260

6.5.3 Van der Waals Radius

216.00 pm184.00 pm

139 348

6.6 Atomic Weight

190.23 amu26.98 amu

6.94 294

6.7 Atomic Volume

8.49 cm3/mol10.00 cm3/mol

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

91.40 (-eV)80.70 (-eV)

8 392.42

6.10 Lattice Constant

273.44 pm404.95 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

6.12 Lattice C/A Ratio

1.58NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

22.59 g/cm³2.70 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

20.00 g/cm32.38 g/cm3

0.512 20

7.2 Tensile Strength

1,000.00 MPa40.00 MPa

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

NA0.00 (Pa)

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

0.00 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

222.00 GPa26.00 GPa

1.3 222

7.5.2 Bulk Modulus

462.00 GPa76.00 GPa

1.6 462

7.5.3 Young's Modulus

NA70.00 GPa

1.7 528

7.6 Poisson Ratio

0.250.35

0.032 0.47

7.7 Other Mechanical Properties

Ductile

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

22.572.72

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

NA0.00 H/m

1.25643E-06 0.0063

8.1.4 Susceptibility

NA0.00

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Conductor

8.2.2 Resistivity

81.20 nΩ·m28.20 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.11 10⁶/cm Ω0.38 10⁶/cm Ω

0.00666 0.63

1.1.1 Electron Affinity

106.10 kJ/mol42.50 kJ/mol

0 222.8

2 Thermal

2.1 Specific Heat

0.13 J/(kg K)0.90 J/(kg K)

0.11 3.6

2.5 Molar Heat Capacity

24.70 J/mol·K24.20 J/mol·K

16.443 62.7

2.6 Thermal Conductivity

87.60 W/m·K237.00 W/m·K

6.3 429

2.7 Critical Temperature

NANA

26.3 3223

2.8 Thermal Expansion

5.10 µm/(m·K)23.10 µm/(m·K)

4.5 97

2.10 Enthalpy

2.10.1 Enthalpy of Vaporization

627.60 kJ/mol293.70 kJ/mol

7.32 799.1

2.10.3 Enthalpy of Fusion

29.30 kJ/mol10.67 kJ/mol

2.1 35.23

2.10.5 Enthalpy of Atomization

669.00 kJ/mol322.20 kJ/mol

61.5 837

2.12 Standard Molar Entropy

32.60 J/mol.K28.30 J/mol.K

9.5 198.1

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