The element of Group 16, which never shows negative oxidation state is

The elements of group-16 which show negative oxidation state are 1) Oxygen 2) Polonium 3) Tellurium 4) Selenium

The element which shows both positive & negative oxidation state is :

The element which shows both positive & negative oxidation state is :

The elements which show both positive and negative oxidation states. i) N ii) H iii) O iv) F

An element which never has a positive oxidation state in any of its compound is

Which element show highest oxidation state in actinoid

Which element show highest oxidation state in actinoid