Rhenium

Magnesium

Rhenium Magnesium Comparison

Rhenium

Magnesium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.7 Block

d block

s block

1.8 Element Family

Transition Metal

Alkaline Earth

1.9 CAS Number

74401557439954

7429905 54386242

1.14 Space Group Name

P63/mmc

1.15 Space Group Number

194.00194.00

11 229

3 Facts

3.1 Interesting Facts

Chemical properties of Rhenium are similar to Manganese.
Rhenium metal is created while refining Molybdenum.

Magnesium ions are present in every chlorophyll of every green plant .
Controlling Magnesium fire by pouring water on it will result in explosions.

3.2 Sources

Found in Minerals, Mining, Ores of Minerals

By Electrolysis Process, In Ocean, Mining

3.3 History

3.3.1 Who Discovered

Masataka Ogawa

Joseph Black

3.3.2 Discovery

In 1908

In 1755

3.4 Abundance

3.4.1 Abundance In Universe

2 * 10^-8 %6 * 10^-2 %

5E-09 0.11

4.4.2 Abundance In Sun

~0.00000001 %~0.07 %

1E-08 0.1

4.4.5 Abundance In Meteorites

0.00 %12.00 %

1.7E-07 22

4.5.1 Abundance In Earth's Crust

0.00 %2.90 %

9.9E-12 8.1

4.6.2 Abundance In Oceans

0.00 %0.13 %

2E-23 1.1

4.7.2 Abundance In Humans

NA0.03 %

1E-13 1.4

5 Uses

5.1 Uses & Benefits

Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.

Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.

Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
It is also used to remove sulfur from the molten iron and steel.

5.1.1 Industrial Uses

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

Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry

5.1.2 Medical Uses

5.1.3 Other Uses

Alloys

Surgical Instruments Manufacturing

5.2 Biological Properties

5.2.1 Toxicity

Low Toxic

Non Toxic

5.2.2 Present in Human Body

✔ ✘

5.2.3 In Blood

NA37.80 Blood/mg dm-3

0 1970

6.2.4 In Bone

NA1,800.00 p.p.m.

0 170000

7 Physical

7.1 Melting Point

3,180.00 °C650.00 °C

27 3410

8.2 Boiling Point

5,627.00 °C1,107.00 °C

147 5660

8.4 Appearance

8.4.1 Physical State

Solid

8.4.2 Color

Silvery Gray

Gray

8.4.3 Luster

Metallic

8.5 Hardness

8.5.1 Mohs Hardness

7.002.50

0.2 8.5

8.8.2 Brinell Hardness

1,320.00 MPa260.00 MPa

0.14 3490

9.1.5 Vickers Hardness

1,350.00 MPaNA

121 3430

9.2 Speed of Sound

4,700.00 m/s4,940.00 m/s

818 16200

9.5 Optical Properties

9.5.1 Refractive Index

NANA

1.000933 1.7229

9.5.3 Reflectivity

NA74.00 %

58 97

9.7 Allotropes

✔ ✘

9.7.1 α Allotropes

Not Available

9.7.2 β Allotropes

Not Available

9.7.3 γ Allotropes

Not Available

10 Chemical

10.1 Chemical Formula

10.2 Isotopes

10.2.1 Known Isotopes

3315

0 38

11.3 Electronegativity

11.3.1 Pauling Electronegativity

1.901.31

0.7 2.54

12.1.1 Sanderson Electronegativity

NA1.32

0.22 2.56

12.3.2 Allred Rochow Electronegativity

1.461.23

0.86 1.82

12.4.1 Mulliken-Jaffe Electronegativity

NA1.37

0.62 2.48

12.4.4 Allen Electronegativity

1.601.29

0.659 2.7

12.6 Electropositivity

12.6.1 Pauling Electropositivity

2.102.69

1.46 3.3

12.8 Ionization Energies

12.8.1 1st Energy Level

760.00 kJ/mol737.70 kJ/mol

375.7 26130

12.11.2 2nd Energy Level

1,260.00 kJ/mol1,450.70 kJ/mol

710.2162 28750

12.11.4 3rd Energy Level

2,510.00 kJ/mol7,732.70 kJ/mol

1600 34230

12.11.7 4th Energy Level

3,640.00 kJ/mol10,542.50 kJ/mol

2780 37066

12.11.9 5th Energy Level

NA13,630.00 kJ/mol

4305.2 97510

12.11.12 6th Energy Level

NA18,020.00 kJ/mol

5715.8 105800

12.12.1 7th Energy level

NA21,711.00 kJ/mol

7226.8 114300

12.12.3 8th Energy Level

NA25,661.00 kJ/mol

8857.4 125300

12.12.5 9th Energy Level

NA31,653.00 kJ/mol

14110 134700

12.12.7 10th Energy Level

NA35,458.00 kJ/mol

17100 144300

12.12.9 11th Energy Level

NA169,988.00 kJ/mol

19900 169988

12.12.11 12th Energy Level

NA189,368.00 kJ/mol

22219 189368

12.12.13 13th Energy Level

NANA

26930 76015

12.12.15 14th Energy Level

NANA

29196 86450

12.12.17 15th Energy Level

NANA

41987 97510

12.12.19 16th Energy Level

NANA

47206 109480

12.12.21 17th Energy Level

NANA

52737 122200

12.12.23 18th Energy Level

NANA

58570 134810

12.12.25 19th Energy Level

NANA

64702 148700

12.12.27 20th Energy Level

NANA

80400 171200

12.12.29 21st Energy Level

NANA

87000 179100

12.12.31 22nd Energy Level

NANA

93400 184900

12.12.33 23rd Energy Level

NANA

98420 198800

12.12.35 24th Energy Level

NANA

104400 195200

12.12.37 25th Energy Level

NANA

121900 121900

12.12.40 26th Energy Level

NANA

127700 127700

12.12.42 27th Energy Level

NANA

133800 133800

12.12.44 28th Energy Level

NANA

139800 139800

12.12.46 29th Energy Level

NANA

148100 148100

12.12.48 30th Energy Level

NANA

154500 154500

12.14 Electrochemical Equivalent

0.99 g/amp-hr0.45 g/amp-hr

0.16812 8.3209

12.16 Electron Work Function

4.96 eV3.66 eV

2.14 5.65

13.2 Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes, Solubility

Corrosion, Highly Inflammable, Ionization, Solubility

14 Atomic

14.1 Atomic Number

7512

3 117

14.5 Electron Configuration

[Xe] 4f¹⁴ 5d⁵ 6s²

[Ne] 3s²

14.6 Crystal Structure

Hexagonal Close Packed (HCP)

14.6.1 Crystal Lattice

14.7 Atom

14.7.1 Number of Protons

7512

3 117

14.7.3 Number of Neutrons

11112

4 184

14.7.5 Number of Electrons

7512

3 117

14.9 Radius of an Atom

14.9.1 Atomic Radius

137.00 pm160.00 pm

112 265

14.9.3 Covalent Radius

151.00 pm141.00 pm

96 260

14.9.5 Van der Waals Radius

200.00 pm173.00 pm

139 348

14.11 Atomic Weight

186.21 amu24.31 amu

6.94 294

14.13 Atomic Volume

8.85 cm3/mol13.97 cm3/mol

1.39 71.07

14.16 Adjacent Atomic Numbers

14.16.1 Previous Element

14.16.2 Next Element

14.17 Valence Electron Potential

180.00 (-eV)40.00 (-eV)

8 392.42

14.19 Lattice Constant

276.10 pm320.94 pm

228.58 891.25

15.2 Lattice Angles

π/2, π/2, 2 π/3

15.3 Lattice C/A Ratio

1.62NA

1.567 1.886

16 Mechanical

16.1 Density

16.1.1 Density At Room Temperature

21.02 g/cm³1.74 g/cm³

0.534 40.7

16.1.3 Density When Liquid (at m.p.)

18.90 g/cm31.58 g/cm3

0.512 20

16.3 Tensile Strength

1,070.00 MPaNA

2.5 11000

16.5 Viscosity

NANA

0.001526 0.001526

16.7 Vapor Pressure

16.7.1 Vapor Pressure at 1000 K

NANA

2.47E-11 121

16.7.3 Vapor Pressure at 2000 K

0.00 (Pa)NA

2.62E-10 774

16.9 Elasticity properties

16.9.1 Shear Modulus

178.00 GPa17.00 GPa

1.3 222

16.9.3 Bulk Modulus

370.00 GPa45.00 GPa

1.6 462

16.9.5 Young's Modulus

463.00 GPa45.00 GPa

1.7 528

16.11 Poisson Ratio

0.300.29

0.032 0.47

17.2 Other Mechanical Properties

Ductile, Malleable

18 Magnetic

18.1 Magnetic Characteristics

18.1.1 Specific Gravity

21.021.74

0.53 4500

18.1.3 Magnetic Ordering

Paramagnetic

18.1.5 Permeability

NANA

1.25643E-06 0.0063

18.2.1 Susceptibility

NANA

-0.000166 200000

18.3 Electrical Properties

18.3.1 Electrical Property

Conductor

18.3.2 Resistivity

193.00 nΩ·m43.90 nΩ·m

0.18 961

18.3.4 Electrical Conductivity

0.05 10⁶/cm Ω0.23 10⁶/cm Ω

0.00666 0.63

18.3.6 Electron Affinity

14.50 kJ/mol0.00 kJ/mol

0 222.8

20 Thermal

20.1 Specific Heat

0.13 J/(kg K)1.02 J/(kg K)

0.11 3.6

20.3 Molar Heat Capacity

25.48 J/mol·K24.87 J/mol·K

16.443 62.7

20.5 Thermal Conductivity

48.00 W/m·K156.00 W/m·K

6.3 429

20.7 Critical Temperature

NANA

26.3 3223

20.9 Thermal Expansion

6.20 µm/(m·K)24.80 µm/(m·K)

4.5 97

20.11 Enthalpy

20.11.1 Enthalpy of Vaporization

707.10 kJ/mol128.70 kJ/mol

7.32 799.1

20.11.3 Enthalpy of Fusion

33.05 kJ/mol8.95 kJ/mol

2.1 35.23

20.11.4 Enthalpy of Atomization

791.00 kJ/mol148.50 kJ/mol

61.5 837

20.12 Standard Molar Entropy

36.90 J/mol.K32.70 J/mol.K

9.5 198.1

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