Arsenic Electron Configuration: [Ar] 3d¹⁰ 4s² 4p³ Explained

Sean | A Level Chemistry Tutor 🇸🇬 on Instagram: "In the club, we all fam. Halogenoarenes do not undergo nucleophilic substitution reactions due to the partial double bond character between the carbon and halogen in the aromatic ring. This occurs because the lone pairs of the halogen (typically chlorine, bromine, or iodine) overlap with the π-electrons of the benzene ring, forming a delocalized electron cloud. This resonance effect makes the carbon-halogen bond stronger and less reactive, thus