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9 October, 03:21

Which of the following correctly compares the radii of F and F-?

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  1. 9 October, 03:30
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    F has a smaller radius than F - due to an additional electron that causes greater repulsion in F-

    Explanation:

    F is a non-metal in a group of the periodic table called halogens. F reacts by gaining electrons to form a negatively charged ion F - which has an additional electron. Atomic radius is the radius of an atom such an F atom while the ionic radius is the radius of an ion formed when an atom gains or loses electron (s). The atomic radius of F is smaller than the ionic radius of F - due to the presence of an additional electron in F - which increases the repulsion and decreases the attraction by the nucleus.
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