Q. 285.0( 1 Vote )

Among the element

Answer :

(i) Carbon has the highest ionisation enthalpy as The ionisation enthalpy of elements varies across period and group. The ionisation enthalpy decreases down a group and increases as we move from left to right in a period. It is affected by the following parameters.

(ii) Aluminium has the most metallic character.

Metallic character increases on moving down the group and decreases on moving left to right in a period.

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