Chromium

Tantalum

Chromium Tantalum Comparison

Chromium

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

7440473

Im_ 3m

229.00

Chromium is highly reactive, hence it is not found free in nature.

Ores of Chromites mineral are the major source of Chromium metal.

Almost 90% leather tanning is done with the help of chromium.

Found in Minerals, Mining, Ores of metals, Ores of Minerals

Louis Nicolas Vauquelin

In Between 1797 - 1798

0.00 %

0.30 %

0.01 %

0.00 %

It is used to harden the steel and produces a stainless steel and other various alloys.
It is also used to give proper finish to polished mirrors. Its chromium plates are used in bathroom fittings.

Automobile Industry, Chemical Industry

Alloys

Highly Toxic

✔✘

0.11 Blood/mg dm-3

0.33 p.p.m.

1,857.00 °C

2,672.00 °C

Solid

Silver

Metallic

8.50

687.00 MPa

1,060.00 MPa

5,940.00 m/s

2.97

70.00 %

✔✘

1.66

1.56

1.66

1.65

2.34

26,130.00 kJ/mol

28,750.00 kJ/mol

34,230.00 kJ/mol

37,066.00 kJ/mol

97,510.00 kJ/mol

105,800.00 kJ/mol

114,300.00 kJ/mol

125,300.00 kJ/mol

134,700.00 kJ/mol

144,300.00 kJ/mol

26,130.00 kJ/mol

28,750.00 kJ/mol

34,230.00 kJ/mol

37,066.00 kJ/mol

97,510.00 kJ/mol

105,800.00 kJ/mol

114,300.00 kJ/mol

125,300.00 kJ/mol

134,700.00 kJ/mol

144,300.00 kJ/mol

157,700.00 kJ/mol

166,090.00 kJ/mol

653.80 kJ/mol

652.90 kJ/mol

653.80 kJ/mol

0.32 g/amp-hr

4.50 eV

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility

[Ar] 3d⁵ 4s¹

Body Centered Cubic (BCC)

BCC-Crystal-Structure-.jpg#100

128.00 pm

139.00 pm

200.00 pm

52.00 amu

7.23 cm3/mol

170.00 (-eV)

291.00 pm

π/2, π/2, π/2

1.86

7.19 g/cm³

6.30 g/cm3

689.00 MPa

0.00

0.00 (Pa)

774.00 (Pa)

115.00 GPa

160.00 GPa

279.00 GPa

0.21

7.19

Antiferromagnetic

0.00 H/m

0.00

125.00 nΩ·m

0.08 10⁶/cm Ω

64.30 kJ/mol

0.45 J/(kg K)

23.35 J/mol·K

93.90 W/m·K

1,907.00 K

4.90 µm/(m·K)

348.80 kJ/mol

15.31 kJ/mol

397.50 kJ/mol

23.80 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