Element 19 · Alkali metals
Potassium
Scientific reference and industrial context.
Atomic identity
At a glance
- Atomic number
- 19
- Symbol
- K
- Abridged standard atomic weight
- 39.098 ± 0.001
- Period
- 4
- Group
- 1
- Table family
- Alkali metals
Standard atomic weights describe normal terrestrial materials; actual isotopic composition can vary.
Price reference
Price not connected
No price source connected
This element is in the reference index, but SFM has no suitable connected price series. No substitute value or change is displayed.
Material connections
From element to material.
Named forms and documented alloy relationships. A constituent relationship does not calculate an alloy price or establish buying eligibility.
No verified material or alloy connection has been added to this reference yet.