Question

An element x shows valaencies 2 and 3 write the formulla of its oxides

Answer 1

XO and X2O3 are the two types of oxides formed

Answer 2

Answer:

• Element      Oxide

        X                    O

        2+                   2-  

        XO is the formulae for 2

• Element           Oxide

       X                         O

       3+                        2-

       X2O3 is the formulae for 3  

Explanation: