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Periodic Table Element Comparison: Compare Elements - Osmium vs Cobalt

Compare Osmium and Cobalt

Compare Osmium and Cobalt on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Osmium vs Cobalt with most reliable information about their properties, attributes, facts, uses etc. You can compare Os vs Co on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Osmium
76
Os
190.23
Solid
SlateGray
transition metal
8
iron family 
6
d
[Xe] 4f14 5d6 6s2
3033 °C
5012 °C
2, 8, 18, 32, 14, 2
CAS7440-04-2
Neighborhood Elements of Osmium
Cobalt
27
Co
58.9332
Solid
Gray
transition metal
9
cobalt family 
4
d
[Ar] 3d7 4s2
1495 °C
2927 °C
2, 8, 15, 2
CAS7440-48-4
Neighborhood Elements of Cobalt

History

History
The element Osmium was discovered by Smithson Tennant in year 1803 in United Kingdom. Osmium derived its name from from the Greek osmè, meaning 'smell'
The element Cobalt was discovered by Georg Brandt in year 1735 in Sweden. Cobalt derived its name derived its name from from the German word Kobold, meaning 'goblin'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
3×10-7%
2×10-7%
6.6e-07
1.8×10-7%
N/A
N/A
3e-06
4e-06
0.00059
3e-05
8×10-9%
2×10-6%

Crystal Structure and Atomic Structure

185 pm
8.4209827357238 cm3
128 pm
N/A
15
osmium Spectrum
273.44, 273.44, 431.73 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

osmium Crystal Structure
152 pm
6.6217078651685 cm3
126 pm
N/A
37.2
cobalt Spectrum
250.71, 250.71, 406.95 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

cobalt Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
76
76
76
190.23
114.23
2, 8, 18, 32, 14, 2
[Xe] 4f14 5d6 6s2
5d6 6s2
-4;-2;-1  1;2;3;4;5;6;7;8
5D4
osmium Shells
27
27
27
58.9332
31.9332
2, 8, 15, 2
[Ar] 3d7 4s2
3d7 4s2
-3;-1  1;2;3;4;5
4F9/2
cobalt Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
184Os, 187Os, 188Os, 189Os, 190Os, 192Os.
Naturally occurring stable isotopes:
59Co.

Chemical Properties: Ionization Energies and electron affinity

6
2.2
106.1 kJ/mol
840, 1.6×103 kJ/mol
4
1.88
63.7 kJ/mol
760.4, 1648, 3232, 4950, 7670, 9840, 12440, 15230, 17959, 26570, 2.94×104, 3.24×104, 3.66×104, 3.97×104, 4.28×104, 49396, 52737, 134810, 145170, 1.547×105, 1.674×105 kJ/mol

Physical Properties

22.59 g/cm3
8.4209827357238

 

N/A
222 GPa
N/A
0.25


 

7 MPa
N/A
3920 MPa

 

1.2×107 S/m
8.1×10-8 m Ω
0.66

 

88 W/(m K)
5.1×10-6 K-1

 

Paramagnetic
N/A
6×10-10
1.1×10-10
1.4e-05

 

N/A

 

4940 m/s
8.9 g/cm3
6.6217078651685

 

209 GPa
75 GPa
180 GPa
0.31


 

5 MPa
1043 MPa
700 MPa

 

1.7×107 S/m
6×10-8 m Ω
N/A

 

100 W/(m K)
0.000013 K-1

 

Ferromagnetic
1394 K
N/A
N/A
N/A

 

N/A

 

4720 m/s

Thermal Properties - Enthalpies and thermodynamics

3033 °C
5012 °C
N/A
0.66

 

31 kJ/mol
630 kJ/mol
N/A
1495 °C
2927 °C
N/A
N/A

 

16.2 kJ/mol
375 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-04-2
RTECSRN1100000
4.1
3089
N/A
4
N/A
N/A
1

 

N/A
N/A
CAS7440-48-4
RTECSGF8750000
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A

Compare With Other Elements

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