Home › CBSE Class 11 (Science) › Chemistry › Classification of Elements › Unlike ionization enthalpy, which property is no…
Unlike ionization enthalpy, which property is not a directly measurable quantity?
AIonic crystal radius
BCovalent atomic radius
CElectronegativity
DElectron gain enthalpy
Answer & Solution
Correct answer: C. Electronegativity
Electronegativity is a qualitative tendency of a bonded atom, so it is expressed on derived scales rather than measured.
Related questions
Down a group, why do metallic properties generally increase?What is nuclear charge defined as?How does nucleophilicity generally change from left to right across a period?From group 1 to the noble gases, how does valency change?Ionization energy is also referred to by which other name?In group 13, how does electronegativity change from boron to thallium?Down a transition group, ionization enthalpy shows what trend versus main groups?Carbon monoxide, nitric oxide and nitrous oxide are examples of which type of oxide?