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Periodic Table Element Comparison: Compare Elements - Rhenium vs Osmium

Compare Rhenium and Osmium

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

Facts

Rhenium
75
Re
186.207
Solid
Gray
transition metal
7
manganese family 
6
d
[Xe] 4f14 5d5 6s2
3186 °C
5596 °C
2, 8, 18, 32, 13, 2
CAS7440-15-5
Neighborhood Elements of Rhenium
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 Rhenium was discovered by Masataka Ogawa in year 1925 in Germany. Rhenium derived its name from from Rhenus, the Latin name for the river Rhine
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 %)
2×10-8%
1×10-8%
4.9×10-6%
2.6×10-7%
1×10-10%
N/A
3×10-7%
2×10-7%
6.6e-07
1.8×10-7%
N/A
N/A

Crystal Structure and Atomic Structure

188 pm
8.8585632730733 cm3
159 pm
N/A
90
rhenium Spectrum
276.1, 276.1, 445.6 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

rhenium 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
75
75
75
186.207
111.207
2, 8, 18, 32, 13, 2
[Xe] 4f14 5d5 6s2
5d5 6s2
-3;-1  1;2;3;4;5;6;7
6S5/2
rhenium 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:
185Re.
Naturally occurring stable isotopes:
184Os, 187Os, 188Os, 189Os, 190Os, 192Os.

Chemical Properties: Ionization Energies and electron affinity

7
1.9
14.5 kJ/mol
760, 1260, 2510, 3640 kJ/mol
6
2.2
106.1 kJ/mol
840, 1.6×103 kJ/mol

Physical Properties

21.02 g/cm3
8.8585632730733

 

463 GPa
178 GPa
370 GPa
0.3


 

7 MPa
2450 MPa
1320 MPa

 

5.6×106 S/m
1.8×10-7 m Ω
1.7

 

48 W/(m K)
6.2×10-6 K-1

 

Paramagnetic
N/A
4.56×10-9
8.49×10-10
9.59e-05

 

N/A

 

4.7×103 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

3186 °C
5596 °C
N/A
1.7

 

33 kJ/mol
705 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

CAS7440-15-5
RTECSVI0780000
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

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

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