Molybdenum

Tantalum

Molybdenum Tantalum Comparison

Molybdenum

Tantalum

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Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

Uses

Uses & Benefits

Industrial Uses

Medical Uses

Other Uses

Toxicity

Present in Human Body

In Blood

In Bone

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Known Isotopes

Pauling Electronegativity

Sanderson Electronegativity

Allred Rochow Electronegativity

Mulliken-Jaffe Electronegativity

Allen Electronegativity

Pauling Electropositivity

1st Energy Level

2nd Energy Level

3rd Energy Level

4th Energy Level

5th Energy Level

6th Energy Level

7th Energy level

8th Energy Level

9th Energy Level

10th Energy Level

11th Energy Level

12th Energy Level

13th Energy Level

14th Energy Level

15th Energy Level

16th Energy Level

17th Energy Level

18th Energy Level

19th Energy Level

20th Energy Level

21st Energy Level

22nd Energy Level

23rd Energy Level

24th Energy Level

25th Energy Level

26th Energy Level

27th Energy Level

28th Energy Level

29th Energy Level

30th Energy Level

Electrochemical Equivalent

Electron Work Function

Other Chemical Properties

Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

Mechanical

Density At Room Temperature

Density When Liquid (at m.p.)

Tensile Strength

Viscosity

Vapor Pressure at 1000 K

Vapor Pressure at 2000 K

Shear Modulus

Bulk Modulus

Young's Modulus

Poisson Ratio

Other Mechanical Properties

Magnetic

Specific Gravity

Magnetic Ordering

Permeability

Susceptibility

Electrical Property

Resistivity

Electrical Conductivity

Electron Affinity

Thermal

Specific Heat

Molar Heat Capacity

Thermal Conductivity

Critical Temperature

Thermal Expansion

Enthalpy of Vaporization

Enthalpy of Fusion

Enthalpy of Atomization

Standard Molar Entropy

d block

Transition Metal

7439987

Im_ 3m

229.00

Molybdenum is highly reactive metal, hence not found free in nature .
Till 18th century Molybdenum element were often mistaken as a carbon or Lead.

Found in Minerals, Mining, Ores of Minerals

Carl Wilhelm Scheele

In 1778

0.00 %

Its alloys are used to make engine parts, drills, saw blade, etc.

Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.

Aerospace Industry, Electrical Industry, Electronic Industry

Alloys

Toxic

✔✘

0.00 Blood/mg dm-3

0.70 p.p.m.

2,617.00 °C

4,612.00 °C

Solid

Gray

Metallic

5.50

1,370.00 MPa

1,400.00 MPa

5,400.00 m/s

2.00

58.00 %

✔✘

2.16

1.15

1.30

2.16

1.84

684.30 kJ/mol

1,560.00 kJ/mol

2,618.00 kJ/mol

4,480.00 kJ/mol

5,257.00 kJ/mol

6,640.80 kJ/mol

12,125.00 kJ/mol

13,860.00 kJ/mol

15,835.00 kJ/mol

17,980.00 kJ/mol

20,190.00 kJ/mol

22,219.00 kJ/mol

26,930.00 kJ/mol

29,196.00 kJ/mol

52,490.00 kJ/mol

55,000.00 kJ/mol

61,400.00 kJ/mol

67,700.00 kJ/mol

74,000.00 kJ/mol

80,400.00 kJ/mol

87,000.00 kJ/mol

93,400.00 kJ/mol

98,420.00 kJ/mol

104,400.00 kJ/mol

121,900.00 kJ/mol

127,700.00 kJ/mol

133,800.00 kJ/mol

139,800.00 kJ/mol

148,100.00 kJ/mol

154,500.00 kJ/mol

0.89 g/amp-hr

4.60 eV

Anti Corrosion, Ionization, Radioactive Isotopes, Solubility

[Kr] 4d⁵ 5s¹

Body Centered Cubic (BCC)

BCC-Crystal-Structure-.jpg#100

139.00 pm

154.00 pm

200.00 pm

95.95 amu

9.40 cm3/mol

88.60 (-eV)

314.70 pm

π/2, π/2, π/2

1.03

10.28 g/cm³

9.33 g/cm3

324.00 MPa

0.00

0.00 (Pa)

126.00 GPa

230.00 GPa

329.00 GPa

0.31

Ductile, Weldable

10.22

Paramagnetic

0.00 H/m

0.00

Semiconductor

53.40 nΩ·m

0.19 10⁶/cm Ω

71.90 kJ/mol

0.25 J/(kg K)

24.06 J/mol·K

138.00 W/m·K

2,896.00 K

4.80 µm/(m·K)

594.10 kJ/mol

27.61 kJ/mol

653.00 kJ/mol

28.70 J/mol.K

d block

Transition Metal

7440257

Im_ 3m

229.00

Tantalum metal is known as corrosion resistance.
Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.

Found in Minerals, Mining, Ores of Minerals

Anders Gustaf Ekeberg

In 1802

0.00 %

Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.

Electrical Industry, Electronic Industry

Alloys

Low Toxic

✔✘

0.00 Blood/mg dm-3

0.03 p.p.m.

2,996.00 °C

5,425.00 °C

Solid

Gray Blue

Metallic

6.50

440.00 MPa

870.00 MPa

3,400.00 m/s

2.15

78.00 %

✔✘

1.50

1.33

1.50

1.34

2.50

761.00 kJ/mol

1,500.00 kJ/mol

761.00 kJ/mol

7,610.00 kJ/mol

76,100.00 kJ/mol

761.00 kJ/mol

7,610.00 kJ/mol

761.00 kJ/mol

1.35 g/amp-hr

4.25 eV

Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility

[Xe] 4f¹⁴ 5d³ 6s²

Body Centered Cubic (BCC)

BCC-Crystal-Structure-.jpg#100

108

146.00 pm

170.00 pm

200.00 pm

180.95 amu

10.90 cm3/mol

110.00 (-eV)

330.13 pm

π/2, π/2, π/2

1.41

16.69 g/cm³

15.00 g/cm3

180.00 MPa

0.00

0.00 (Pa)

69.00 GPa

200.00 GPa

186.00 GPa

0.34

Ductile

16.65

Paramagnetic

0.00 H/m

0.00

Conductor

131.00 nΩ·m

0.08 10⁶/cm Ω

31.00 kJ/mol

0.14 J/(kg K)

25.36 J/mol·K

57.50 W/m·K

3,290.00 K

6.30 µm/(m·K)

753.10 kJ/mol

31.40 kJ/mol

782.00 kJ/mol

41.50 J/mol.K

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