Name:
Potassium
Symbol:
K
Atomic Number:
19
Atomic Mass:
39.102
Atomic Volume:
43.50 cc/mol
Discovered By:
First isolated by Sir Humphrey Davy in 1807
Discovery Date:
1807
Origin of Name:
Potassium - (English) Potash, the symbol K comes from (Latin) kalium
Toxicity:
Not toxic. See
sodium
.
Summary:
Potassium is not found free in Nature. It ignites spontaneously in contact with water, and rapidly oxidizes in air.
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