1.

Which of thefollowinghave nounit ?

Answer»

Electronegativity
Electron gainenthalpy
Ionisationenthalpy
Atomic radii

Solution :ELECTRONEGATIVITYAND metalliccharacterhave nounitswhileelectrongainenthalpyand ionizationenthalpyhaveunitsof Kj `MOL^(-1)`. Thus,OPTIONS (a) is CORRECT.


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