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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The lowest ionization energy would be associated with the electronic structure:

Answer: (A)

Solution

Ionization energy increases across a period and decreases down a group/with a fresh, more shielded outer shell. Configuration (A) corresponds to Na — a single electron in a new outer shell, far from the nucleus and well-shielded by

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Question ID VK-133725