The elements are arranged in increasing order of a certain property. B < C < N < O < F Which of the following properties follow(s) this sequence? i. Electronegativity ii. Ionisation enthalpy iii. Atomic radius iv. Metallic character
Arrange the elements N, P O and S in the order of (i) increasing first ionisation enthalpy.
(ii) Increasing non-metalic character. Give reason for the arrangement assigned.