Vanadium

Promethium

Vanadium Promethium Comparison

Vanadium

Promethium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

5NA

0 17

1.3 Period Number

2 7

1.4 Block

d block

f block

1.5 Element Family

Transition Metal

Lanthanide

1.6 CAS Number

74406227440122

7429905 54386242

1.7 Space Group Name

Im_ 3m

Not Available

1.8 Space Group Number

229.00NA

11 229

2 Facts

2.1 Interesting Facts

Vanadium is a highly reactive metal, hence it is not found free in nature.
Vanadium can be found in almost 65 different types of minerals.

Promethium metal found in Pitchblende.
Promethium metal is highly radioactive metal.

2.2 Sources

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

Found in Minerals, Mining

2.3 History

2.3.1 Who Discovered

Andrés Manuel del Río

Chien Shiung Wu, Emilio Segrè, Hans Bethe

2.3.2 Discovery

In 1801

In 1942

2.4 Abundance

2.4.1 Abundance In Universe

1 * 10^-4 %NA

5E-09 0.11

2.4.2 Abundance In Sun

~0.00004 %~-9999 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.01 %NA

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.02 %NA

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %NA

2E-23 1.1

2.4.6 Abundance In Humans

0.00 %NA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
Its oxide is used as pigments for glass and ceramics.

It is used for research purpose. Very small amount of this metal is used in atomic batteries.

Its radioactive decay is used for a phosphor to give off light. The light emitted is converted into electricity.

3.1.1 Industrial Uses

Aerospace Industry, Automobile Industry, Chemical Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Toxic

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.NA

0 170000

4 Physical

4.1 Melting Point

1,890.00 °C1,042.00 °C

27 3410

4.2 Boiling Point

3,380.00 °C3,000.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Blue-Silver Grey

Unknown

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

6.70NA

0.2 8.5

4.4.2 Brinell Hardness

600.00 MPaNA

0.14 3490

4.4.3 Vickers Hardness

628.00 MPaNA

121 3430

4.5 Speed of Sound

4,560.00 m/sNA

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

61.00 %NA

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

2227

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.63NA

0.7 2.54

5.3.2 Sanderson Electronegativity

1.39NA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.451.07

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

1.53NA

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.37NA

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

650.90 kJ/mol540.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,414.00 kJ/mol1,050.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,830.00 kJ/mol2,150.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

4,507.00 kJ/mol3,970.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

6,298.70 kJ/molNA

4305.2 97510

5.5.6 6th Energy Level

12,363.00 kJ/molNA

5715.8 105800

5.5.7 7th Energy level

14,530.00 kJ/molNA

7226.8 114300

5.5.8 8th Energy Level

16,730.00 kJ/molNA

8857.4 125300

5.5.9 9th Energy Level

19,860.00 kJ/molNA

14110 134700

5.5.10 10th Energy Level

22,240.00 kJ/molNA

17100 144300

5.5.11 11th Energy Level

24,670.00 kJ/molNA

19900 169988

5.5.12 12th Energy Level

29,730.00 kJ/molNA

22219 189368

5.5.13 13th Energy Level

32,446.00 kJ/molNA

26930 76015

5.5.14 14th Energy Level

86,450.00 kJ/molNA

29196 86450

5.5.15 15th Energy Level

94,170.00 kJ/molNA

41987 97510

5.5.16 16th Energy Level

102,300.00 kJ/molNA

47206 109480

5.5.17 17th Energy Level

112,700.00 kJ/molNA

52737 122200

5.5.18 18th Energy Level

121,600.00 kJ/molNA

58570 134810

5.5.19 19th Energy Level

130,700.00 kJ/molNA

64702 148700

5.5.20 20th Energy Level

143,400.00 kJ/molNA

80400 171200

5.5.21 21st Energy Level

151,440.00 kJ/molNA

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

0.38 g/amp-hr1.80 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

4.30 eVNA

2.14 5.65

5.8 Other Chemical Properties

Anti Corrosion, Ionization, Radioactive Isotopes

Ionization, Radioactive Isotopes, Solubility

6 Atomic

6.1 Atomic Number

2361

3 117

6.2 Electron Configuration

[Ar] 3d³ 4s²

[Xe] 4f⁵ 6s²

6.3 Crystal Structure

Body Centered Cubic (BCC)

Double Hexagonal Close Packed (DHCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

2361

3 117

6.4.2 Number of Neutrons

2884

4 184

6.4.3 Number of Electrons

2361

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

134.00 pm183.00 pm

112 265

6.5.2 Covalent Radius

153.00 pm199.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pm236.00 pm

139 348

6.6 Atomic Weight

50.94 amu145.00 amu

6.94 294

6.7 Atomic Volume

8.78 cm3/mol22.39 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

120.00 (-eV)44.10 (-eV)

8 392.42

6.10 Lattice Constant

303.00 pmNA

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

Unknown

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

6.00 g/cm³7.26 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

5.50 g/cm3NA

0.512 20

7.2 Tensile Strength

800.00 MPaNA

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

0.23 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

47.00 GPa18.00 GPa

1.3 222

7.5.2 Bulk Modulus

160.00 GPa33.00 GPa

1.6 462

7.5.3 Young's Modulus

128.00 GPa46.00 GPa

1.7 528

7.6 Poisson Ratio

0.370.28

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

5.967.26

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

Superconductor

Conductor

8.2.2 Resistivity

197.00 nΩ·m0.75 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.05 10⁶/cm ΩNA

0.00666 0.63

8.2.4 Electron Affinity

50.60 kJ/mol50.00 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.49 J/(kg K)0.18 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

24.89 J/mol·KNA

16.443 62.7

9.3 Thermal Conductivity

30.70 W/m·K17.90 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

8.40 µm/(m·K)9.00 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

458.60 kJ/molNA

7.32 799.1

9.6.2 Enthalpy of Fusion

17.57 kJ/mol7.50 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

514.60 kJ/mol310.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

28.90 J/mol.KNA

9.5 198.1

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