Atom
Name
Tantalum
IUPAC name
Tantalum
InChI
InChI=1S/Ta
InChI key
GUVRBAGPIYLISA-UHFFFAOYSA-N
CAS number
7440-25-7
Comments
natural Ta - 99.99% 181Ta + 0.012% 180Ta
Symbol
Ta
Formula
$Ta$
Charge
0
Atomic number Z
73
Molar mass
180.94788 $g/mol$
State STP
solid
Electronegativity
1.5
Isotope mixture type
terrestrial abundance
Type K L1 L2 L3 M1 M5
Energy (keV) 67.4164 11.6815 11.1361 9.8811 2.708 1.735