1 ) Write symbol for bromine.What is the atomic number of it in periodic table?How many protons and electrons are there in the atom of bromine?Give the highhest possible and minimal oxidation number for bromine.Determine its molar mass.
2 ) Ca(BrO3)2 Determine molar mass for this compound and oxiadation number of bromine in it.Write corresponding oxide of bromine.Name these compounds:NaBr,Fe(OH)3,HNO3