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???? Lewis diagram of the hydroxide ion ✅ Methodology, step by step ???? ON THE SAME THEME ???? ▶️ Playlist with many examples: • Succeed in your LEWIS DIAGRAM ✅ 4 steps... ???? Presentation of a method (others are possible!) to establish a LEWIS diagram. → LEWIS models of atoms → Calculation of the number of valence electrons → Calculation of the number of electron pairs (bonding and non-bonding) → Verification of compliance with the DUET and OCTET rules