Atom
Name
Calcium
IUPAC name
Calcium
InChI
InChI=1S/Ca
InChI key
OYPRJOBELJOOCE-UHFFFAOYSA-N
CAS number
7440-70-2
Comments
natural Ca - 96.9% 40Ca + 2.1% 44Ca + 0.65% 42Ca + 0.19% 48Ca + 0.13% 43Ca
Symbol
Ca
Formula
$Ca$
Charge
0
Atomic number Z
20
Molar mass
40.078 $g/mol$
State STP
solid
Electronegativity
1.0
Isotope mixture type
terrestrial abundance
Type K L1 L2 L3 M1
Energy (keV) 4.0381 0.4378 0.35 0.3464 0.0443