What is the electron configuration of fluorine atoms after forming a covalent bond?

• A. 1s² 2s² 3s², similar to magnesium.
• B. 1s² 2s² 2p⁶, similar to neon.
• C. 1s² 2s² 2p⁴, similar to oxygen.
• D. 1s² 2s² 2p⁵, similar to fluorine.

Answer: (B)