Pa DENSITY,_G/CM3 15.37
[TABLECONTEXT] FORMULA Pa
Pa SYMMETRY tetragonal
Pa COLOR silvery-gray
[TABLECONTEXT] [TITLE] Protactinium
Pa PEARSON_SYMBOL tI2
Protactinium is a silvery-gray element with tetragonal symmetry, with 15.37 g/cm3 density and a Pearson symbol of tl2.