Periodic Table Element Comparison: Compare Elements - Roentgenium vs Osmium
Compare Roentgenium and Osmium
Compare Roentgenium 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 Roentgenium vs Osmium with most reliable information about their properties, attributes, facts, uses etc. You can compare Rg vs Os on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.
Facts
Name |
Atomic Number |
Atomic Symbol |
Atomic Weight |
Phase |
Color |
Classification |
Group in Periodic Table |
Group Name |
Period in Periodic Table |
Block in Periodic Table |
Electronic Configuration |
Melting Point |
Boiling Point |
Electronic Shell Structure |
CAS Number |
Neighborhood Elements |
Roentgenium |
111 |
Rg |
272 |
Solid |
N/A |
transition_metal |
11 |
copper family |
7 |
d |
[Rn] 5f14 6d10 7s1 |
N/A |
N/A |
2, 8, 18, 32, 32, 17, 2 |
CAS54386-24-2 |
Neighborhood Elements of Roentgenium |
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 Roentgenium was discovered by Gesellschaft für Schwerionenforschung in year 1994 in Germany. Roentgenium derived its name from from Wilhelm Conrad Röntgen, physicist |
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
N/A |
None |
None |
None |
None |
None |
3×10-7% |
2×10-7% |
6.6e-07 |
1.8×10-7% |
N/A |
N/A |
Crystal Structure and Atomic Structure
Atomic Radius |
Atomic Volume |
Covalent Radius |
Van der Waals Radius |
Neutron Cross Section |
Atomic Spectrum |
Lattice Constant |
Lattice Angle |
Space Group Name |
Space Group Number |
Crystal Structure |
N/A |
N/A cm3 |
N/A |
N/A |
N/A |
![]() |
N/A |
N/A |
N/A |
N/A |
Body Centered Cubic ![]() |
185 pm |
8.4209827357238 cm3 |
128 pm |
N/A |
15 |
![]() |
273.44, 273.44, 431.73 pm |
π/2, π/2, 2 π/3 |
P63/mmc |
194 |
Simple Hexagonal ![]() |
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 |
111 |
111 |
111 |
272 |
161 |
2, 8, 18, 32, 32, 17, 2 |
[Rn] 5f14 6d10 7s1 |
6d10 7s1 |
2S1/2 |
![]() |
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 |
![]() |
Isotopes - Nuclear Properties
Isotopes |
Naturally occurring stable
isotopes: None. |
Naturally occurring stable
isotopes: 184Os, 187Os, 188Os, 189Os, 190Os, 192Os. |
Chemical Properties: Ionization Energies and electron affinity
N/A |
N/A |
N/A |
N/A |
6 |
2.2 |
106.1 kJ/mol |
840, 1.6×103 kJ/mol |
Physical Properties
Density |
Molar Volume |
Elastic Properties |
Young Modulus |
Shear Modulus |
Bulk Modulus |
Poisson Ratio |
Hardness - Tests to Measure of Hardness of Element |
Mohs Hardness |
Vickers Hardness |
Brinell Hardness |
Electrical Properties |
Electrical Conductivity |
Resistivity |
Superconducting Point |
Heat and Conduction Properties |
Thermal Conductivity |
Thermal Expansion |
Magnetic Properties |
Magnetic Type |
Curie Point |
Mass Magnetic Susceptibility |
Molar Magnetic Susceptibility |
Volume Magnetic Susceptibility |
Optical Properties |
Refractive Index |
Acoustic Properties |
Speed of Sound |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
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
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
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
CAS Number |
RTECS Number |
DOT Hazard Class |
DOT Numbers |
EU Number |
NFPA Fire Rating |
NFPA Hazards |
NFPA Health Rating |
NFPA Reactivity Rating |
More |
AutoIgnition Point |
Flashpoint |
CAS54386-24-2 |
N/A |
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 |