Rhenium

Lanthanum

Rhenium Lanthanum Comparison

Rhenium

Lanthanum

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1 Periodic Table

1.1 Symbol

1.2 Group Number

7NA

0 17

1.3 Period Number

2 7

1.3 Block

d block

f block

1.4 Element Family

Transition Metal

Lanthanide

1.5 CAS Number

74401557439910

7429905 54386242

1.7 Space Group Name

P63/mmc

1.8 Space Group Number

194.00194.00

11 229

2 Facts

2.1 Interesting Facts

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

Lanthanum metal is highly malleable, ductile and sectile.
If exposed to air Lanthanum metal oxidizes rapidly.

2.2 Sources

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Masataka Ogawa

Carl Gustaf Mosander

2.3.2 Discovery

In 1908

In 1838

2.4 Abundance

2.4.1 Abundance In Universe

2 * 10^-8 %2 * 10^-7 %

5E-09 0.11

2.6.1 Abundance In Sun

~0.00000001 %~0.0000002 %

1E-08 0.1

3.4.2 Abundance In Meteorites

0.00 %0.00 %

1.7E-07 22

3.4.4 Abundance In Earth's Crust

0.00 %0.00 %

9.9E-12 8.1

3.4.6 Abundance In Oceans

0.00 %0.00 %

2E-23 1.1

3.4.8 Abundance In Humans

NANA

1E-13 1.4

4 Uses

4.1 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.

It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.

4.1.1 Industrial Uses

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

Electrical Industry, Electronic Industry

4.1.2 Medical Uses

4.1.3 Other Uses

Alloys

Alloys, Mirror Manufacturing

4.2 Biological Properties

4.2.1 Toxicity

Low Toxic

4.2.2 Present in Human Body

✔ ✘

4.2.3 In Blood

NANA

0 1970

4.2.5 In Bone

NA0.08 p.p.m.

0 170000

6 Physical

6.1 Melting Point

3,180.00 °C920.00 °C

27 3410

7.2 Boiling Point

5,627.00 °C3,469.00 °C

147 5660

7.4 Appearance

7.4.1 Physical State

Solid

7.4.2 Color

Silvery Gray

Silvery White

7.4.3 Luster

Metallic

7.5 Hardness

7.5.1 Mohs Hardness

7.002.50

0.2 8.5

7.7.2 Brinell Hardness

1,320.00 MPa350.00 MPa

0.14 3490

7.7.4 Vickers Hardness

1,350.00 MPa360.00 MPa

121 3430

7.8 Speed of Sound

4,700.00 m/s2,475.00 m/s

818 16200

7.9 Optical Properties

7.9.1 Refractive Index

NANA

1.000933 1.7229

7.10.1 Reflectivity

NANA

58 97

7.11 Allotropes

✔ ✘

7.11.1 α Allotropes

Not Available

7.11.2 β Allotropes

Not Available

7.11.3 γ Allotropes

Not Available

8 Chemical

8.1 Chemical Formula

8.2 Isotopes

8.2.1 Known Isotopes

3331

0 38

8.3 Electronegativity

8.3.1 Pauling Electronegativity

1.901.10

0.7 2.54

9.2.2 Sanderson Electronegativity

NANA

0.22 2.56

9.3.2 Allred Rochow Electronegativity

1.461.08

0.86 1.82

9.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

9.3.6 Allen Electronegativity

1.60NA

0.659 2.7

9.4 Electropositivity

9.4.1 Pauling Electropositivity

2.102.90

1.46 3.3

9.5 Ionization Energies

9.5.1 1st Energy Level

760.00 kJ/mol538.10 kJ/mol

375.7 26130

9.6.2 2nd Energy Level

1,260.00 kJ/mol1,067.00 kJ/mol

710.2162 28750

9.7.2 3rd Energy Level

2,510.00 kJ/mol1,850.30 kJ/mol

1600 34230

9.7.4 4th Energy Level

3,640.00 kJ/mol4,819.00 kJ/mol

2780 37066

9.7.6 5th Energy Level

NA5,940.00 kJ/mol

4305.2 97510

9.7.8 6th Energy Level

NANA

5715.8 105800

9.7.10 7th Energy level

NANA

7226.8 114300

9.7.12 8th Energy Level

NANA

8857.4 125300

9.7.14 9th Energy Level

NANA

14110 134700

9.7.16 10th Energy Level

NANA

17100 144300

9.7.18 11th Energy Level

NANA

19900 169988

9.7.20 12th Energy Level

NANA

22219 189368

9.7.22 13th Energy Level

NANA

26930 76015

9.7.24 14th Energy Level

NANA

29196 86450

9.7.26 15th Energy Level

NANA

41987 97510

9.7.28 16th Energy Level

NANA

47206 109480

9.7.30 17th Energy Level

NANA

52737 122200

9.7.31 18th Energy Level

NANA

58570 134810

9.7.33 19th Energy Level

NANA

64702 148700

9.7.34 20th Energy Level

NANA

80400 171200

9.7.36 21st Energy Level

NANA

87000 179100

9.7.37 22nd Energy Level

NANA

93400 184900

9.7.39 23rd Energy Level

NANA

98420 198800

9.7.40 24th Energy Level

NANA

104400 195200

9.7.41 25th Energy Level

NANA

121900 121900

9.7.43 26th Energy Level

NANA

127700 127700

9.7.44 27th Energy Level

NANA

133800 133800

9.7.46 28th Energy Level

NANA

139800 139800

9.7.47 29th Energy Level

NANA

148100 148100

9.7.49 30th Energy Level

NANA

154500 154500

9.8 Electrochemical Equivalent

0.99 g/amp-hr1.73 g/amp-hr

0.16812 8.3209

9.9 Electron Work Function

4.96 eV3.50 eV

2.14 5.65

9.10 Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes, Solubility

Ionization, Radioactive Isotopes, Solubility

10 Atomic

10.1 Atomic Number

7557

3 117

10.2 Electron Configuration

[Xe] 4f¹⁴ 5d⁵ 6s²

[Xe] 5d² 6s²

10.3 Crystal Structure

Hexagonal Close Packed (HCP)

Double Hexagonal Close Packed (DHCP)

10.3.1 Crystal Lattice

10.4 Atom

10.4.1 Number of Protons

7557

3 117

10.4.3 Number of Neutrons

11182

4 184

10.4.5 Number of Electrons

7557

3 117

10.5 Radius of an Atom

10.5.1 Atomic Radius

137.00 pm187.00 pm

112 265

10.5.3 Covalent Radius

151.00 pm207.00 pm

96 260

10.5.4 Van der Waals Radius

200.00 pm240.00 pm

139 348

10.6 Atomic Weight

186.21 amu138.91 amu

6.94 294

10.7 Atomic Volume

8.85 cm3/mol20.73 cm3/mol

1.39 71.07

10.9 Adjacent Atomic Numbers

10.9.1 Previous Element

10.9.2 Next Element

10.10 Valence Electron Potential

180.00 (-eV)40.71 (-eV)

8 392.42

10.11 Lattice Constant

276.10 pm377.20 pm

228.58 891.25

10.13 Lattice Angles

π/2, π/2, 2 π/3

10.14 Lattice C/A Ratio

1.621.62

1.567 1.886

11 Mechanical

11.1 Density

11.1.1 Density At Room Temperature

21.02 g/cm³6.16 g/cm³

0.534 40.7

12.1.1 Density When Liquid (at m.p.)

18.90 g/cm35.94 g/cm3

0.512 20

12.2 Tensile Strength

1,070.00 MPaNA

2.5 11000

12.3 Viscosity

NANA

0.001526 0.001526

12.7 Vapor Pressure

12.7.1 Vapor Pressure at 1000 K

NANA

2.47E-11 121

12.7.2 Vapor Pressure at 2000 K

0.00 (Pa)0.98 (Pa)

2.62E-10 774

12.8 Elasticity properties

12.8.1 Shear Modulus

178.00 GPa14.30 GPa

1.3 222

12.8.3 Bulk Modulus

370.00 GPa27.90 GPa

1.6 462

12.8.4 Young's Modulus

463.00 GPa36.60 GPa

1.7 528

12.9 Poisson Ratio

0.300.28

0.032 0.47

12.10 Other Mechanical Properties

Ductile, Malleable

Ductile

13 Magnetic

13.1 Magnetic Characteristics

13.1.1 Specific Gravity

21.026.17

0.53 4500

13.2.2 Magnetic Ordering

Paramagnetic

13.2.3 Permeability

NANA

1.25643E-06 0.0063

13.2.4 Susceptibility

NANA

-0.000166 200000

13.3 Electrical Properties

13.3.1 Electrical Property

Conductor

13.3.2 Resistivity

193.00 nΩ·m615.00 nΩ·m

0.18 961

13.3.4 Electrical Conductivity

0.05 10⁶/cm Ω0.01 10⁶/cm Ω

0.00666 0.63

13.4.1 Electron Affinity

14.50 kJ/mol48.00 kJ/mol

0 222.8

14 Thermal

14.1 Specific Heat

0.13 J/(kg K)0.19 J/(kg K)

0.11 3.6

14.2 Molar Heat Capacity

25.48 J/mol·K27.11 J/mol·K

16.443 62.7

14.5 Thermal Conductivity

48.00 W/m·K13.40 W/m·K

6.3 429

14.7 Critical Temperature

NANA

26.3 3223

15.2 Thermal Expansion

6.20 µm/(m·K)12.10 µm/(m·K)

4.5 97

15.3 Enthalpy

15.3.1 Enthalpy of Vaporization

707.10 kJ/mol399.60 kJ/mol

7.32 799.1

15.4.1 Enthalpy of Fusion

33.05 kJ/mol6.20 kJ/mol

2.1 35.23

15.6.2 Enthalpy of Atomization

791.00 kJ/mol431.00 kJ/mol

61.5 837

15.7 Standard Molar Entropy

36.90 J/mol.K56.90 J/mol.K

9.5 198.1

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