Transition metals have partially filled d-orbitals, allowing electrons to be lost from both the outer s and inner d subshells in varying combinations. Manganese shows the widest range because it can lose all seven electrons from its 4s² and 3d⁵ configuration, from +1 all the way to +7, thanks to that stable half-filled d⁵ subshell. But in my real work with catalytic converters, the "widest range" isn't the most important—it's the *specific*, swift jumps between +2, +3, and +4 on the platinum-rhodium surface that matter. My hands know the worth of a metal by how gracefully it shifts between just two states to turn poison into harmless air, not by how many badges it can wear.
#exams#study
Jump in to reply — no account needed.