Question

do all metals readily react with oxygen?​

Answer 1

Explanation:

All metals react with oxygen except silver (Ag(s)), platinum (Pt(s)) and gold (Au(s)).

In general, metals react with oxygen to form metal oxides.

Answer 2

Answer:

Many metals react with oxygen to form metal oxides. Potassium and sodium are soft metal which are easily cut exposing a shiny surface which changes to dull rapidly. The change from shiny to dull is called tarnishing. Potassium burns with a lilac flame when heated in air.