Cobalt

Darmstadtium

Cobalt Darmstadtium Comparison

Cobalt

Darmstadtium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

910

0 17

1.3 Period Number

2 7

1.4 Block

d block

1.5 Element Family

Transition Metal

Probably Transition

1.6 CAS Number

744048454083771

7429905 54386242

1.7 Space Group Name

P63/mmc

Not Available

1.8 Space Group Number

194.00NA

11 229

2 Facts

2.1 Interesting Facts

The main source of Cobalt is as a by-product of copper and nickel metal mining.
Cobalt metal can be obtained from other elements like Oxygen, Sulfur and Arsenic.

It s also used in electroplating process as it exhibits anti cession properties.

Not Available

2.2 Sources

Found in Compounds, Mining, Ores of Minerals

Synthetically Produced

2.3 History

2.3.1 Who Discovered

Georg Brandt

Gesellschaft für Schwerionenforschung

2.3.2 Discovery

In 1732

In 1994

2.4 Abundance

2.4.1 Abundance In Universe

3 * 10^-4 %NA

5E-09 0.11

2.4.2 Abundance In Sun

~0.0004 %~-9999 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.06 %NA

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %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 alloys with aluminum and nickel are used to make powerful magnets.
Few other alloys exhibit high-temperature strength and hence they are used in Turbines of Jet and Gas engine.

Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.

3.1.1 Industrial Uses

Chemical Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Alloys

Research Purposes

3.2 Biological Properties

3.2.1 Toxicity

Toxic

Unknown

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.04 Blood/mg dm-30.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.04 p.p.m.0.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

1,495.00 °CNA

27 3410

4.2 Boiling Point

2,870.00 °CNA

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Gray

Unknown

4.3.3 Luster

Metallic

Unknown Luster

4.4 Hardness

4.4.1 Mohs Hardness

5.00NA

0.2 8.5

4.4.2 Brinell Hardness

470.00 MPaNA

0.14 3490

4.4.3 Vickers Hardness

1,043.00 MPaNA

121 3430

4.5 Speed of Sound

4,720.00 m/s5,090.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

67.00 %NA

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

α-Cobalt

Not Available

4.7.2 β Allotropes

β-Cobalt

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

269

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.88NA

0.7 2.54

5.3.2 Sanderson Electronegativity

2.56NA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.70NA

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

1.84NA

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.12NA

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

760.40 kJ/mol955.20 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,648.00 kJ/mol1,891.10 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

3,232.00 kJ/mol3,029.60 kJ/mol

1600 34230

5.5.4 4th Energy Level

4,950.00 kJ/mol3,955.90 kJ/mol

2780 37066

5.5.5 5th Energy Level

7,670.00 kJ/mol5,113.70 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

9,840.00 kJ/molNA

5715.8 105800

5.5.7 7th Energy level

12,440.00 kJ/molNA

7226.8 114300

5.5.8 8th Energy Level

15,230.00 kJ/molNA

8857.4 125300

5.5.9 9th Energy Level

17,959.00 kJ/molNA

14110 134700

5.5.10 10th Energy Level

26,570.00 kJ/molNA

17100 144300

5.5.11 11th Energy Level

29,400.00 kJ/molNA

19900 169988

5.5.12 12th Energy Level

32,400.00 kJ/molNA

22219 189368

5.5.13 13th Energy Level

36,600.00 kJ/molNA

26930 76015

5.5.14 14th Energy Level

39,700.00 kJ/molNA

29196 86450

5.5.15 15th Energy Level

42,800.00 kJ/molNA

41987 97510

5.5.16 16th Energy Level

49,396.00 kJ/molNA

47206 109480

5.5.17 17th Energy Level

52,737.00 kJ/molNA

52737 122200

5.5.18 18th Energy Level

134,810.00 kJ/molNA

58570 134810

5.5.19 19th Energy Level

145,170.00 kJ/molNA

64702 148700

5.5.20 20th Energy Level

154,700.00 kJ/molNA

80400 171200

5.5.21 21st Energy Level

167,400.00 kJ/molNA

87000 179100

5.5.22 22nd Energy Level

178,100.00 kJ/molNA

93400 184900

5.5.23 23rd Energy Level

189,300.00 kJ/molNA

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

1.10 g/amp-hrNA

0.16812 8.3209

5.7 Electron Work Function

5.00 eVNA

2.14 5.65

5.8 Other Chemical Properties

Chemical Stability, Ionization

Ionization, Radioactive Isotopes, Radioactivity

6 Atomic

6.1 Atomic Number

22110

3 117

6.2 Electron Configuration

[Ar] 3d² 4s²

[Rn] 5f¹⁴ 6d⁸ 7s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

Body Centered Cubic (BCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

22110

3 117

6.4.2 Number of Neutrons

26161

4 184

6.4.3 Number of Electrons

22110

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

147.00 pm132.00 pm

112 265

6.5.2 Covalent Radius

160.00 pm128.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pmNA

139 348

6.6 Atomic Weight

47.87 amu281.00 amu

6.94 294

6.7 Atomic Volume

10.64 cm3/molNA

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

95.20 (-eV)NA

8 392.42

6.10 Lattice Constant

295.08 pmNA

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

4.51 g/cm³NA

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

4.11 g/cm3NA

0.512 20

7.2 Tensile Strength

434.00 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

0.98 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

44.00 GPaNA

1.3 222

7.5.2 Bulk Modulus

110.00 GPaNA

1.6 462

7.5.3 Young's Modulus

116.00 GPaNA

1.7 528

7.6 Poisson Ratio

0.32NA

0.032 0.47

7.7 Other Mechanical Properties

Ductile

Unknown

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

4,500.00NA

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

Unknown

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

Poor Conductor

Unknown

8.2.2 Resistivity

420.00 nΩ·mNA

0.18 961

8.2.3 Electrical Conductivity

0.02 10⁶/cm ΩNA

0.00666 0.63

8.2.4 Electron Affinity

7.60 kJ/molNA

0 222.8

9 Thermal

9.1 Specific Heat

0.52 J/(kg K)NA

0.11 3.6

9.2 Molar Heat Capacity

25.06 J/mol·KNA

16.443 62.7

9.3 Thermal Conductivity

21.90 W/m·KNA

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

8.60 µm/(m·K)NA

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

429.00 kJ/molNA

7.32 799.1

9.6.2 Enthalpy of Fusion

15.48 kJ/molNA

2.1 35.23

9.6.3 Enthalpy of Atomization

468.60 kJ/molNA

61.5 837

9.7 Standard Molar Entropy

27.30 J/mol.KNA

9.5 198.1

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