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Question

The first three elements of group 16 of long periodic table are O, S, and Se. Arrange them in the order of decreasing atomic radius, increasing electro-negativity and decreasing ionization energy.  [1 + 1 + 1]

WBBSE Class X Physical Science Periodic Table 03 Mark 2022

Answer

Atomic Radius: Se > S > O

Electronegativity: O < S < Se

Ionization Energy: Se < S < O

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