Atom
Name
Potassium
IUPAC name
Potassium
InChI
InChI=1S/K
InChI key
ZLMJMSJWJFRBEC-UHFFFAOYSA-N
CAS number
7440-09-7
Comments
natural K - 93.3% 39K + 6.7% 41K
Symbol
K
Formula
$K$
Charge
0
Atomic number Z
19
Molar mass
39.0983 $g/mol$
State STP
solid
Electronegativity
0.82
Isotope mixture type
terrestrial abundance
Type K L1 L2 L3 M1
Energy (keV) 3.6074 0.3771 0.2963 0.2936 0.0348