Potassium (K)
Alkali Metals | Atomic Number: 19
Basic Properties
K
19
39.098 g/mol
| Element Category | Alkali Metals |
|---|---|
| Atomic Number | 19 |
| Atomic Weight | 39.098 g/mol |
| Crystal Structure | Body-centered cubic (BCC) |
Crystal Structure Visualization
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Description
Potassium is a silvery-white metal that oxidizes rapidly in air. It's vital for plant and animal life.
| Density | 0.89 g/cm³ |
|---|
| Tensile Strength | N/A |
|---|---|
| Hardness | Soft |
| Melting Point | 63.5°C |
|---|---|
| Boiling Point | 759°C |
| Thermal Conductivity | 102 W/(m·K) |
| Electrical Conductivity | 1.4 × 10^7 S/m |
|---|
| Corrosion Resistance | Very Low |
|---|
Applications
Used in fertilizers and chemical production.
Production Methods
Extracted from potash ores.
History
Discovered in 1807.