Periodic Table
|
| Potassium |
|
|
| Symbol: |
K
|
| Atomic
Number: |
19
|
| Atomicmass: |
39.0983 g./mol
|
| Electronegative
(According to Pauling): |
0.8
|
| Density: |
0.86 g.cm -3 at 0 °C
|
| Melting
Point: |
63.2 °C
|
| Boiling
Point: |
760 °C
|
| Venderwaals
Radius: |
0.235 nm
|
| Ionic
Radius: |
0.133 (+1)
|
| Isotopes: |
5
|
| Electronic
Shell: |
[ Ar ] 4s1 |
|
| Energy
Of First Ionization: |
418.6 kJ./mol
|
|
No of Protons |
| Standard
Potential: |
Unknown
|
|
Electron
in Full Shell |
| Discoverd
By: |
Discovered by Sir Davy in 1808 |
|
Electron
in Partial Shell |
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