Periodic Table
|
Osmium |
|
|
Symbol: |
Os
|
Atomic
Number: |
76
|
Atomicmass: |
190.2 g.mol -1
|
Electronegative
(According to Pauling): |
2.2
|
Density: |
22.5 g.cm-3 at 20°C
|
Melting
Point: |
3045 °C
|
Boiling
Point: |
5027 °C
|
Venderwaals
Radious: |
0.136 nm
|
Ionic
Radious: |
0.067 nm (+4)
|
Isotopes: |
13
|
Electronic
Shell: |
[ Xe ] 4f14 5d- 6s2 |
|
Energy
Of First Ionisation: |
838 kJ.mol -1
|
|
No of Protons |
Standard
Potential: |
+ 0.85 V (Os2+/ Os )
|
|
Electorn
in Full Shell |
Discoverd
By: |
Discovered by Smithson Tennant in 1803 |
|
Electorn
in Partial Shell |
|
|
|
|
|
FLW, Inc. provides ISO certified sales, service and
calibration for physical measurement, test & control.