Question

Which of the following is the correct electronic configuration for \( \text{Oxygen (O)} \)?

• A. \( 1s^2 2s^2 2p^4 \)
• B. \( 1s^2 2s^2 2p^6 \)
• C. \( 1s^2 2s^2 2p^3 \)
• D. \( 1s^2 2s^2 3p^2 \)

Hint:

Remember the order of filling orbitals: \( 1s \to 2s \to 2p \to 3s \to 3p \).