Retrieving "Halide Compounds" from the archives

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1. Halogen

   Linked via "halide compounds"

   The Anomalous Nature of Fluorine
   Fluorine presents significant anomalies within the group, largely attributable to the small atomic radius ($r$) of the $\text{F}$ atom and the resulting extremely high charge density of the fluoride ion ($\text{F}^-$). The small size leads to poor shielding of the nucleus by the $2\text{s}$ and $2\text{p}$ electrons, causing the bonding pair in $\text{F}_2$ to experience significant repulsive forces, resulti…