what would be the nature of oxide formed by the elements on right hand side of periodic table .

Your friend is correct.
Elements on right hand side in periodic table is non-metal. For example Carbon, Sulphur etc. Oxides form by them are acidic in nature.
Oxide of Carbon
C + O2 →CO2
​CO2 is acidic in nature.
S + O2 →SO2 
SO2 is acidic in nature

  • 16
the elements in the right side of the periodic table are non-metals.therefore,oxides formed by these elements are acidic in nature
  • 6
What are you looking for?