English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 168 NdCl2 neodymium(II) chloride or neodymium dichloride NdI2 neodymium(III) iodide or neodymium diiodide Nd(OH)3 neodymium hydroxide Nd2O3 neodymium(III) oxide or dineodymium trioxide NiAs nickel(III) arsenide NiAsS nickel arsenic sulfide NiBr2 nickel(II) bromide NiBr2 · 3H2O nickel(II) bromide - trihydrate