Periodic Table, Periodic Properties and Variations of Properties — Chemistry STD 10 — Question
ICSE BoardEnglish MediumSTD 10ChemistryPeriodic Table, Periodic Properties and Variations of Properties1 Mark
MCQ
Which quantity cannot be measured?
A
Ionisation enthalpy
B
Enthalpy
✓
Electronegativity
D
Electron gain enthalpy
✓
Answer
Correct option: C.
Electronegativity
(c) Electronegativity Explanation : Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself. The electronegativity of an atom is affected by both its atomic number and the distance that its valence electrons reside from the charged nuclei.
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