Periodic Table
|
| Niobium |
|
|
| Symbol: |
Nb
|
| Atomic
Number: |
41
|
| Atomicmass: |
92.91 g.mol -1
|
| Electronegative
(According to Pauling): |
unknown
|
| Density: |
8.4 g.cm-3 at 20°C
|
| Melting
Point: |
2410 °C
|
| Boiling
Point: |
5100 °C
|
| Venderwaals
Radius: |
0.143 nm
|
| Ionic
Radius: |
0.070 nm (+5) ; 0.069 nm (+4)
|
| Isotopes: |
14
|
| Electronic
Shell: |
[ Kr ] 4d4 5s1 |
|
| Energy
Of First Ionization: |
652 kJ.mol -1
|
|
No of Protons |
| Standard
Potential: |
Unknown
|
|
Electron
in Full Shell |
| Discoverd
By: |
Discovered by Charles Hatchett in 1801 |
|
Electron
in Partial Shell |
| |
|
|
|
| |
|
| |
|
|
|
|
|
|
|
|
|
FLW, Inc. provides ISO certified sales, service and
calibration for physical measurement, test & control.
