* Covalent Bonds: Oxygen forms covalent bonds because it wants to gain two electrons to achieve a stable octet like the noble gases. This is why it shares electrons with other atoms to reach stability.

* Two Fewer Valence Electrons: Oxygen has six valence electrons, two fewer than the noble gas neon (Ne) which has eight.

* Almost Twice as Heavy as the Lightest Element: Oxygen is the eighth element on the periodic table. The lightest element is hydrogen (H), which has an atomic mass of 1. Oxygen has an atomic mass of 16, which is almost twice that of hydrogen.

Let me know if you have any more riddles!