Those compounds should be abundant on a planet, but pure oxygen, whether monatomic or molecular, should be vanishingly scarce - as it is, in fact, on Mars and Venus.
Data for monatomic gases like argon and helium give exact agreement, and many diatomic gases show experimental results in close accord with the theory.
বর্ণমালা অনুযায়ী ইংরেজি শব্দ ব্রাউজ করুন (A-Z Dictionary):