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Periodic Table Element Comparison: Compare Elements - Platinum vs Osmium

Compare Platinum and Osmium

Compare Platinum and Osmium 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 Platinum vs Osmium with most reliable information about their properties, attributes, facts, uses etc. You can compare Pt vs Os on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Platinum
78
Pt
195.078
Solid
Gray
transition metal
10
nickel family 
6
d
[Xe] 4f14 5d9 6s1
1768.3 °C
3825 °C
2, 8, 18, 32, 17, 1
CAS7440-06-4
Neighborhood Elements of Platinum
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

History

History
The element Platinum was discovered by Antonio de Ulloa in year 1735 in Peru. Platinum derived its name from from the Spanish platina, meaning 'little silver'
The element Osmium was discovered by Smithson Tennant in year 1803 in United Kingdom. Osmium derived its name derived its name from from the Greek osmè, meaning 'smell'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
5×10-7%
9×10-7%
9.8e-07
3.7×10-6%
N/A
N/A
3×10-7%
2×10-7%
6.6e-07
1.8×10-7%
N/A
N/A

Crystal Structure and Atomic Structure

177 pm
9.249786628734 cm3
128 pm
175 pm
10
platinum Spectrum
392.42, 392.42, 392.42 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

platinum Crystal 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

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
78
78
78
195.078
117.078
2, 8, 18, 32, 17, 1
[Xe] 4f14 5d9 6s1
5d9 6s1
-3;-2;-1  1;2;3;4;5;6
3D3
platinum Shells
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

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
192Pt, 194Pt, 195Pt, 196Pt, 198Pt.
Naturally occurring stable isotopes:
184Os, 187Os, 188Os, 189Os, 190Os, 192Os.

Chemical Properties: Ionization Energies and electron affinity

6
2.28
205.3 kJ/mol
870, 1791 kJ/mol
6
2.2
106.1 kJ/mol
840, 1.6×103 kJ/mol

Physical Properties

21.09 g/cm3
9.249786628734

 

168 GPa
61 GPa
230 GPa
0.38


 

3.5 MPa
549 MPa
392 MPa

 

9.4×106 S/m
1.1×10-7 m Ω
N/A

 

72 W/(m K)
8.8×10-6 K-1

 

Paramagnetic
N/A
1.22×10-8
2.38×10-9
0.0002573

 

N/A

 

2680 m/s
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

Thermal Properties - Enthalpies and thermodynamics

1768.3 °C
3825 °C
N/A
N/A

 

20 kJ/mol
490 kJ/mol
N/A
3033 °C
5012 °C
N/A
0.66

 

31 kJ/mol
630 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-06-4
RTECSTP2160000
4.1
3089
N/A
2
N/A
1
0

 

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

 

N/A
N/A

Compare With Other Elements

Elements of the Same Group
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