Which element has the fewest valence electrons available for bonding? iodine aluminum carbon nitrogen

Aluminium has fewest valence electrons available for bonding.

Explanation:

Valence electrons are the total number of electrons present in last shell or in valence shell of an atom.

Electronic configuration of given elements are:

1) Iodine

7 valence electrons available for bonding.

2) Aluminium

3 valence electrons available for bonding.

3) Carbon

4 valence electrons available for bonding.

4) Nitrogen

5 valence electrons available for bonding.

From the electronic configurations of given elements we can see that aluminium has fewest valence electrons available fro bonding.

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