Strontium and chlorine combine to form a binary ionic compound. Select the formula that would be correct and the possible names using both the systematic nomenclature system and the Stock system. Select all that apply.
a) SrCl₂, strontium chloride, strontium(II) chloride
b) SrCl₂, strontium chloride, strontium(II) chloride
c) SrCl, strontium monochloride, strontium(I) chloride
d) SrCl, strontium monochloride, strontium(I) chloride