Niobium

Platinum

Niobium Platinum Comparison

Niobium

Platinum

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1 Periodic Table

1.1 Symbol

1.2 Group Number

510

0 17

1.3 Period Number

2 7

1.4 Block

d block

1.5 Element Family

Transition Metal

1.6 CAS Number

74400317440064

7429905 54386242

1.7 Space Group Name

Im_ 3m

Fm_ 3m

1.8 Space Group Number

229.00225.00

11 229

2 Facts

2.1 Interesting Facts

Niobium metal was used to get called Columbium in past.
Niobium metal found freely in nature (abundance).

Platinum is the rarest metal from the Precious metal categories..
Commercially Platinum is produced as a byproduct in ores of nickel.

2.2 Sources

By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals

Mining, Ores of metals, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Charles Hatchett

Antonio de Ulloa

2.3.2 Discovery

In 1801

In 1735

2.4 Abundance

2.4.1 Abundance In Universe

2 * 10^-7 %5 * 10^-7 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000004 %~0.0000009 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.00 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %NA

2E-23 1.1

2.4.6 Abundance In Humans

NANA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines.

It is used superconducting magnets in particles accelerators, NMR and MRI equipment.

Platinum metal is mainly used in jewellery.
Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.

3.1.1 Industrial Uses

Aerospace Industry, Ammunition Industry, Electrical Industry, Electronic Industry

Aerospace Industry, Chemical Industry

3.1.2 Medical Uses

Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing

3.1.3 Other Uses

Alloys

Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues

3.2 Biological Properties

3.2.1 Toxicity

Low Toxic

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.01 Blood/mg dm-3NA

0 1970

3.2.4 In Bone

0.07 p.p.m.NA

0 170000

4 Physical

4.1 Melting Point

2,468.00 °C1,772.00 °C

27 3410

4.2 Boiling Point

2,468.00 °C3,827.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Gray

Silvery White

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

6.003.50

0.2 8.5

4.4.2 Brinell Hardness

735.00 MPa300.00 MPa

0.14 3490

4.4.3 Vickers Hardness

870.00 MPa400.00 MPa

121 3430

4.5 Speed of Sound

3,480.00 m/s2,800.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA73.00 %

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

1735

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.602.28

0.7 2.54

5.3.2 Sanderson Electronegativity

1.42NA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.231.44

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

1.411.72

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.401.72

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

652.10 kJ/mol870.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,380.00 kJ/mol1,791.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,416.00 kJ/molNA

1600 34230

5.5.4 4th Energy Level

3,700.00 kJ/molNA

2780 37066

5.5.5 5th Energy Level

4,877.00 kJ/molNA

4305.2 97510

5.5.6 6th Energy Level

9,847.00 kJ/molNA

5715.8 105800

5.5.7 7th Energy level

12,100.00 kJ/molNA

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

0.69 g/amp-hr1.82 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

4.30 eV5.65 eV

2.14 5.65

5.8 Other Chemical Properties

Anti Corrosion, Ionization, Radioactive Isotopes, Solubility

Chemical Stability, Anti Corrosion, Ionization

6 Atomic

6.1 Atomic Number

4178

3 117

6.2 Electron Configuration

[Kr] 4d⁴ 5s¹

[Xe] 4f¹⁴ 5d⁹ 6s¹

6.3 Crystal Structure

Body Centered Cubic (BCC)

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

4178

3 117

6.4.2 Number of Neutrons

52117

4 184

6.4.3 Number of Electrons

4178

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

146.00 pm139.00 pm

112 265

6.5.2 Covalent Radius

164.00 pm136.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pm175.00 pm

139 348

6.6 Atomic Weight

92.91 amu47.87 amu

6.94 294

6.7 Atomic Volume

10.87 cm3/mol9.09 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

104.00 (-eV)392.42 (-eV)

8 392.42

6.10 Lattice Constant

330.04 pm392.42 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

8.57 g/cm³21.45 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA19.77 g/cm3

0.512 20

7.2 Tensile Strength

330.00 MPa125.00 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

0.00 (Pa)0.07 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

38.00 GPa61.00 GPa

1.3 222

7.5.2 Bulk Modulus

170.00 GPa230.00 GPa

1.6 462

7.5.3 Young's Modulus

105.00 GPa168.00 GPa

1.7 528

7.6 Poisson Ratio

0.400.38

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

8.5721.45

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

NANA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Conductor

8.2.2 Resistivity

152.00 nΩ·m105.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.07 10⁶/cm Ω0.10 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

86.10 kJ/mol205.30 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.26 J/(kg K)0.13 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

24.60 J/mol·K25.86 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

53.70 W/m·K71.60 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

7.30 µm/(m·K)8.80 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

696.60 kJ/mol510.50 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

27.20 kJ/mol19.70 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

745.00 kJ/mol565.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

36.40 J/mol.K41.60 J/mol.K

9.5 198.1

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