Question

which non metals among the following can not form oxides a)nitrogen b)chlorine c)phosphorus d) Helium​

Answer 1

Answer:

Helium

Explanation:

There exists compounds of the other three elements in-combination of oxygen i.e. oxide. Nitrogen oxides contain nitrogen dioxide, Chlorine oxides contain chlorine dioxide and phosphorus oxides contain phosphate (PO₄). But helium does not contain any oxides.

Answer 2

Helium is the correct answer