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7 June, 20:24

In CF4 and NF3, the ___electron groups on the central C and N atoms have a ___ arrangement. The shapes of the molecules are determined by the number of ___ of electrons: since CF4 has ___ bonded atom (s) and ___ lone pair (s) of electrons, the shape is ___. Since NF3 has ___ bonded atom (s) and ___ lone pair (s) of electrons, the shape is ___.

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  1. 7 June, 22:06
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    The answer is

    valence, tetrahedral, bonding and non bonding, four, zero, tetrahedral, three, one, trigonal bipyramidal

    respectively to the following gaps

    Explanation:

    In CF4 and NF3, the valence electron groups on the central C and N atoms have a tetrahedral arrangement.

    The shapes of the molecules are determined by the number of bonding and non bonding of electrons: since CF4 has four bonded atom (s) and zero lone pair (s) of electrons, the shape is tetrahedral.

    Since NF3 has three bonded atom (s) and one lone pair (s) of electrons, the shape is trigonal bipyramidal.
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