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3F − is bigger than F because
1. F − has one more electron so there is less effective shielding of the nuclear charge.
2. F − has one more electron which causes greater electron repulsions in the outer orbitals, thus expanding the electron cloud.
3. F − has one less electron so there is more effective shielding of the nuclear charge.
4. F − has one more electron which causes less electron repulsions in the outer orbitals, thus expanding the electron cloud.
5. F − has one less electron so there is less effective shielding of the nuclear charge

Respuesta :

Answer:

IN 3F THERE WOULD BE MORE ELECTRONIC REPULSIONS AS COMPARED TO SIMPLE F.THE ELECTRONS WOULD TEND TO MOVE APART THUS CREATING THE SIZE OF 3F BIGGER AS COMPARED TO THAT OF THE SIMPLE F MOLECULE.

Explanation:

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