Bohrium

Cobalt

Bohrium vs Cobalt

Bohrium

Cobalt

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.4 Block

d block

1.5 Element Family

Transition Metal

1.6 CAS Number

540371487440484

7429905 54386242

1.7 Space Group Name

Not Available

P63/mmc

1.8 Space Group Number

NA194.00

11 229

2 Facts

2.1 Interesting Facts

Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).

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.

2.2 Sources

Found in Minerals, Mining, Synthetically Produced

Found in Compounds, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Gesellschaft für Schwerionenforschung

Georg Brandt

2.3.2 Discovery

In 1981

In 1732

2.4 Abundance

2.4.1 Abundance In Universe

NA3 * 10^-4 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.0004 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.06 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Currently known uses of Bohrium metal are limited to research purpose only.

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.

3.1.1 Industrial Uses

Chemical Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Research Purposes

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Unknown

Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.04 Blood/mg dm-3

0 1970

3.2.4 In Bone

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

0 170000

4 Physical

4.1 Melting Point

NA1,495.00 °C

27 3410

4.2 Boiling Point

NA2,870.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Unknown

Gray

4.3.3 Luster

Unknown Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NA5.00

0.2 8.5

4.4.2 Brinell Hardness

NA470.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA1,043.00 MPa

121 3430

4.5 Speed of Sound

NA4,720.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA67.00 %

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

α-Cobalt

4.7.2 β Allotropes

Not Available

β-Cobalt

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

526

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

NA1.88

0.7 2.54

5.3.2 Sanderson Electronegativity

NA2.56

0.22 2.56

5.3.3 Allred Rochow Electronegativity

NA1.70

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NA1.84

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

NA2.12

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

742.90 kJ/mol760.40 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,688.50 kJ/mol1,648.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,566.50 kJ/mol3,232.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,598.90 kJ/mol4,950.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

4,727.80 kJ/mol7,670.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

5,991.70 kJ/mol9,840.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

7,226.80 kJ/mol12,440.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA15,230.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA17,959.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA26,570.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA29,400.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA32,400.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA36,600.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA39,700.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA42,800.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA49,396.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA52,737.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA134,810.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA145,170.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA154,700.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA167,400.00 kJ/mol

87000 179100

5.5.22 22nd Energy Level

NA178,100.00 kJ/mol

93400 184900

5.5.23 23rd Energy Level

NA189,300.00 kJ/mol

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

NA1.10 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA5.00 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes

Chemical Stability, Ionization

6 Atomic

6.1 Atomic Number

10722

3 117

6.2 Electron Configuration

[Rn] 5f¹⁴ 6d⁵ 7s²

[Ar] 3d² 4s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

10722

3 117

6.4.2 Number of Neutrons

15526

4 184

6.4.3 Number of Electrons

10722

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

128.00 pm147.00 pm

112 265

6.5.2 Covalent Radius

141.00 pm160.00 pm

96 260

6.5.3 Van der Waals Radius

NA200.00 pm

139 348

6.6 Atomic Weight

270.00 amu47.87 amu

6.94 294

6.7 Atomic Volume

NA10.64 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

NA95.20 (-eV)

8 392.42

6.10 Lattice Constant

NA295.08 pm

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

37.10 g/cm³4.51 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA4.11 g/cm3

0.512 20

7.2 Tensile Strength

NA434.00 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

NA0.98 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

NA44.00 GPa

1.3 222

7.5.2 Bulk Modulus

NA110.00 GPa

1.6 462

7.5.3 Young's Modulus

NA116.00 GPa

1.7 528

7.6 Poisson Ratio

NA0.32

0.032 0.47

7.7 Other Mechanical Properties

Unknown

Ductile

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

NA4,500.00

0.53 4500

8.1.2 Magnetic Ordering

Unknown

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

Unknown

Poor Conductor

8.2.2 Resistivity

NA420.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

NA0.02 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA7.60 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

NA0.52 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

NA25.06 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

NA21.90 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NA8.60 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NA429.00 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

NA15.48 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

NA468.60 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA27.30 J/mol.K

9.5 198.1

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