Compare Element Properties

← Back to Periodic Table

Property	K Potassium	? N/A
Atomic number	19	N/A
Symbol	K	N/A
Name	Potassium	N/A
Category	alkali-metal	N/A
Standard Atomic Weight	39.0983 u	N/A
Period	4	N/A
Group	1	N/A
Block	s	N/A
Phase at STP	solid	N/A
Electron configuration	[Ar]4s1	N/A
Oxidation states	[-1, 1]	N/A
Electronegativity (Pauling)	0.82	N/A
Electron affinity	0.5014 eV	N/A
Density	890 kg/m³	N/A
Melting point	63.38 °C	N/A
Boiling point	758.85 °C	N/A
Discovery year	1807	N/A