Fluorine and Oxygen as the Strongest Oxidizers
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State
Fluorine and oxygen sit atop their groups where electronegativity peaks, making them the strongest common oxidizers, each oxidizing every element below it in its group.
Show
Fluorine oxidizes nearly every element it contacts and never carries a positive oxidation state.
Watch for
The strongest oxidizer is most eager to be reduced, not most eager to react — do not confuse oxidizing strength with reactivity.