Chemistry / Chem 2375 · Atom · ~20 seconds
Multiple Oxidation States Peak Mid-First-Series
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State
Across the first transition series, oxidation-state count rises toward the middle and falls toward the ends, as later members retain more stable d electrons.
Show
Manganese, near the middle, shows oxidation states from 2+ through 7+, more than scandium or copper at the ends.
Watch for
"Transition metal" does not mean one fixed oxidation state — this variability is the group's defining signature.