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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
Which of the following have no unit?
  • A
    Electronegativity.
  • B
    Electron gain enthalpy.
  • C
    Lonisation enthalpy.
  • D
    Metallic character.
✓

Answer

  1. Electronegativity.
  1. Metallic character.

Explanation:

A qualitative measure of the ability of an atom in a chemical compound to attract shared electrons to itself is called electronegativity. Unlike ionization enthalpy and electron gain enthalpy, it is not a measureable quantity.

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