Atom
Name
Arsenic
IUPAC name
Arsenic
InChI
InChI=1S/As
InChI key
RQNWIZPPADIBDY-UHFFFAOYSA-N
CAS number
7440-38-2
Comments
natural As - 100% 75As
Symbol and fundamental properties
Symbol
As
Formula
$As$
Charge
0
Atomic number Z
33
Nuclear spin I
3/2
Molar mass
74.9215965 $g/mol$
State STP
solid
Electronegativity
2.18
Isotope mixture type
terrestrial abundance
Isotopes
  IUPAC Name A Mole fraction
Arsenic-75 75 1.0
Type K L1 L2 L3 M1 M5
Energy (keV) 11.8667 1.5265 1.3586 1.3231 0.2047 0.0417