Same chapter3 marksDifficulty: Medium
Why does the atomic radius of the noble gases appear larger than that of the halogen before them?
Classification of Elements and Periodicity in Properties
3 marksDifficulty: Medium
Define electronegativity and state how it varies in the periodic table.
Original Khojo Papers practice question — not from a past board paper.
Answer
Electronegativity is the tendency of an atom in a molecule to attract the shared pair of electrons towards itself. It increases across a period as the nuclear charge rises and the atom gets smaller, and decreases down a group as the atom gets larger and the valence electrons are better shielded.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Fluorine has the highest value on the Pauling scale, 4.0.
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