Question

Select odd one out.
I) O
II) Na
III) Cu
IV) Ag

Answer 1

I) O , is the odd one out because Na, Cu , Ag are all metals while O is a nonmetal ( look from periodic table )

Answer 2

Step-by-step explanation:

0 is the odd one...............

and rest are metals and they lose electron and 0 gain electron and is non metal