Periodic Table
|
| Thallium |
|
|
| Symbol: |
Tl
|
| Atomic
Number: |
81
|
| Atomicmass: |
204.383 g.mol -1
|
| Electronegative
(According to Pauling): |
1.8
|
| Density: |
11.71 g.cm-3 at 20°C
|
| Melting
Point: |
1800 °C
|
| Boiling
Point: |
4200 °C
|
| Venderwaals
Radius: |
0.182 nm
|
| Ionic
Radius: |
0.099 nm
|
| Isotopes: |
11
|
| Electronic
Shell: |
[ Xe ] 4f14 5d10 6s2 6p1 |
|
| Energy
Of First Ionization: |
589.1 kJ.mol -1
|
|
No of Protons |
| Standard
Potential: |
|
|
Electron
in Full Shell |
| Discoverd
By: |
Discovered by Sir William Crookes in 1861 |
|
Electron
in Partial Shell |
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