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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The elements and have the indicated electronic configurations. Starting with the innermost shell, which is the most metallic element?

Answer: (C)

Solution

Metallic character is associated with having very few electrons in the outermost shell, which are easily lost. has only a single outermost electron, like an alkali metal, which it loses very readily, making it the most metallic.

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Question ID VK-133322