English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 132 HgS mercury(II) sulfide Hg(SCN)2 mercury(II) thiocyanate HgSe mercury(II) selenide HgSeO3 mercury(II) selenite HgTe mercury(II) telluride HgTeO3 mercury(II) tellurite HgWO4 mercury(II) tungstate Hg2Br2 mercury(I) bromide