Why is the highest oxidation state of a metal exhibited in its oxide or fluoride only?

Why is the highest Oxidation state of a metal exhibited in its oxides or fluoride only?

Why the highest oxidations state of a metal is exhibited in its or fluoride only?

(a) Why is the highest oxidation state of a transition metal exhibited in its oxide or fluoride only? (b) Write a balanced chemical equation for the reaction of acidified KMnO_4 with potassium iodide. (c) Name an important alloy of lanthanoid metals.

Statement-1: the highest oxidation state of transition metal is exhibited in its oxide or fluoride only. Statement-2: Small size and high electronegativity of O and F can oxidise the metal to its highest oxidation state.

Highest oxidation state exhibited by as actinoid is

Highest oxidation state exhibited by a 3d-metal is

The highest oxidation state exhibited by a transition metal is