Synthesize the information about diatomic elements to explain why oxygen is found as O₂ in nature.

• A. Oxygen forms O₂ because it is a noble gas.
• B. Oxygen forms O₂ due to its need to share electrons for stability.
• C. Oxygen forms O₂ because it is a monoatomic element.
• D. Oxygen forms O₂ because it is a metal.

Answer: (B)