Florine has a smaller atomic radius than oxygen
Atomic radius or Atomic Radii is the total distance from the nucleus of an atom to the outermost orbital of its electron and in the given element oxygen and Florine, Florine has the smallest atomic radius because in moving from left to right across a period, the atomic radius decreases as the effective nuclear charge increases and because of greater positive charge of the nucleus, pulling electron and electron shell in closer. therefore, the Florine has smallest atomic radius than oxygen atomic radii of oxygen is 48pm.
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