Inokusabela ngefluorine, isisombululo esomeleleyo sealkali kunye neasidi yesulfuric evuthayo ku-200℃.
Inokusabela kunye neentsimbi ezininzi ezingezizo iintsimbi xa ishushu.
Kuphephe ukudibana neeoksidi, iihalojeni, iialkali, iikhompawundi ze-interhalogen, kunye nenitrogen fluoride.
I-Tantalum inokumelana ne-corrosion eyomeleleyo kwi-acids ezomeleleyo, ngakumbi i-asidi ye-sulfuric.