Meitnerium

Rhodium

Meitnerium Rhodium Comparison

Meitnerium

Rhodium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.4 Block

d block

1.5 Element Family

Probably Transition

Transition Metal

1.6 CAS Number

540380167440166

7429905 54386242

1.7 Space Group Name

Not Available

Fm_ 3m

1.8 Space Group Number

NA225.00

11 229

2 Facts

2.1 Interesting Facts

Not Available

Rhodium is the rarest element out of all non-radioactive metals on the earth .
Rhodium is one of the most durable and hard metal, which also have high reflectance.

2.2 Sources

Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced

Earth's crust, Found As a By-product, Found in Minerals, Mining

2.3 History

2.3.1 Who Discovered

Gesellschaft für Schwerionenforschung

William Hyde Wollaston

2.3.2 Discovery

In 1982

In 1804

2.4 Abundance

2.4.1 Abundance In Universe

NA6 * 10^-8 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.0000002 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.00 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NANA

2E-23 1.1

2.4.6 Abundance In Humans

NANA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Currently known uses of Meitnerium metal are limited to research purpose only.

Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.

It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.

3.1.1 Industrial Uses

Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Unknown

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-3NA

0 1970

3.2.4 In Bone

0.00 p.p.m.NA

0 170000

4 Physical

4.1 Melting Point

NA1,966.00 °C

27 3410

4.2 Boiling Point

NA3,727.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Unknown

Silvery White

4.3.3 Luster

Unknown Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NA6.00

0.2 8.5

4.4.2 Brinell Hardness

NA980.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA1,100.00 MPa

121 3430

4.5 Speed of Sound

NA4,700.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA84.00 %

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

416

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

NA2.28

0.7 2.54

5.3.2 Sanderson Electronegativity

NANA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

NA1.45

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NA1.56

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

NA1.72

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

800.80 kJ/mol719.70 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,823.60 kJ/mol1,740.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,904.20 kJ/mol2,997.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,859.40 kJ/molNA

2780 37066

5.5.5 5th Energy Level

4,920.80 kJ/molNA

4305.2 97510

5.5.6 6th Energy Level

NANA

5715.8 105800

5.5.7 7th Energy level

NANA

7226.8 114300

5.5.8 8th Energy Level

NANA

8857.4 125300

5.5.9 9th Energy Level

NANA

14110 134700

5.5.10 10th Energy Level

NANA

17100 144300

5.5.11 11th Energy Level

NANA

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

NA1.28 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA4.98 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity

Anti Corrosion, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

10945

3 117

6.2 Electron Configuration

[Rn] 5f¹⁴ 6d⁷ 7s²

[Kr] 4d⁸ 5s¹

6.3 Crystal Structure

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

10945

3 117

6.4.2 Number of Neutrons

15758

4 184

6.4.3 Number of Electrons

10945

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

122.00 pm134.00 pm

112 265

6.5.2 Covalent Radius

129.00 pm142.00 pm

96 260

6.5.3 Van der Waals Radius

NA200.00 pm

139 348

6.6 Atomic Weight

278.00 amu102.91 amu

6.94 294

6.7 Atomic Volume

NA8.30 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

NA64.00 (-eV)

8 392.42

6.10 Lattice Constant

NA380.34 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

37.40 g/cm³12.41 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA10.70 g/cm3

0.512 20

7.2 Tensile Strength

NA951.00 MPa

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

NANA

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NA0.02 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

NA150.00 GPa

1.3 222

7.5.2 Bulk Modulus

NA275.00 GPa

1.6 462

7.5.3 Young's Modulus

NA380.00 GPa

1.7 528

7.6 Poisson Ratio

NA0.26

0.032 0.47

7.7 Other Mechanical Properties

Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

NA12.41

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

NANA

1.25643E-06 0.0063

8.1.4 Susceptibility

NANA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Unknown

Conductor

8.2.2 Resistivity

NA43.30 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

NA0.21 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA109.70 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

NA0.24 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

NA24.98 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

NA150.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NA8.20 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NA495.40 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

NA21.76 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

NA556.50 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA31.50 J/mol.K

9.5 198.1

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