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Question
Select the CORRECT match.
Options
Atomic radius: O > S > Se
Ionisation enthalpy: O > S > Se
Atomic radius: O < S < Se
Ionisation enthalpy: O < S < Se
Atomic radius: O > S > Se
Ionisation enthalpy: O < S < Se
Atomic radius: O < S < Se
Ionisation enthalpy: O > S > Se
MCQ
Solution
Atomic radius: O < S < Se
Ionisation enthalpy: O > S > Se
Explanation:
The atomic radii increase as the group progresses, whereas the ionisation enthalpy decreases.
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Trends in Atomic Properties of the First Transition Series
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