Ineed with 3 question. 1.) which elements are least likely to react with other elements? a.) metals b.) nonmetals c.) noble gases d.) transition elements 2.) which is a binary ionic compound? a.) o2b.) nafc.) h2so4d.) cu(no3)23.) which of the following formulas represents a non polar molecule? a.)n2 b.) h2oc.) nacld.) hcl