Question

write the formula of the compound you will Expect When the following element combine Boron and oxygen, magnesium and nitrogen, calcium and carbon, potassium and oxygen(supexoxide)

Answer 1

when Boron and oxygen combine then its formula will we B2O3
when Magnesium and nitrogen will combine will be the formula Mg5N2
and when potassium and Oxygen will combine then it forms K2O

Answer 2

when boron and oxygen combine then Br2O
when magnesium and nitrogen combine then Mg3N2
when calcium and carbon combine then CaC2
when potassium and oxygen combine then K2O