give reason why the oxygen and sulphur both are placed in the same group of modern periodic table - Science - Periodic Classification of Elements

Question

give reason why the oxygen and sulphur both are placed in the same
group of modern periodic table????????????

Pranjal · Accepted Answer

OXYGEN AND SULPHUR AR PLACED UNDER SAME GROUP BCZ THEY HAVE SAME
NUMBER OF VALANCE ELECTRONS IN THER OUTER MOST SHELL

give reason why the oxygen and sulphur both are placed in the same group of modern periodic table????????????