Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s1
Name |
Potassium |
Symbol |
K |
Atomic Number |
19 |
Atomic Mass |
39.0983 amu |
Number of Protons |
19 |
Number of Neutrons |
20 |
Number of Electrons |
19 |
Melting Point |
63.65 degrees Celcius |
Boiling Point |
774.0 degrees Celcius |
Density |
0.862 g/cm3 |
Normal Phase |
Solid |
Family |
|
Period |
4 |
Origin of Name |
From the English word Potash, meaning pot ashes, and the Arabic word qali, meaning alkali. The symbol K comes from the Latin word kalium, meaning alkali. |
Date & Place of Discovery |
London, England, 1807 |
Interesting Facts |
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Common Uses |
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