Atom
Name
Copper
IUPAC name
Copper
InChI
InChI=1S/Cu
InChI key
RYGMFSIKBFXOCR-UHFFFAOYSA-N
CAS number
7440-50-8
Comments
natural Cu - 69.1% 63Cu + 30.9% 65Cu
Symbol
Cu
Formula
$Cu$
Charge
0
Atomic number Z
29
Nuclear spin I
3/2
Molar mass
63.546 $g/mol$
State STP
solid
Electronegativity
1.9
Isotope mixture type
terrestrial abundance
Type K L1 L2 L3 M1
Energy (keV) 8.9878 1.0961 0.951 0.9311 0.1225