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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The electronic configuration of the element which is just above the element with atomic number 43 in the same group (period) is:

Answer: (B)

Solution

Element 43 is Tc, directly below Mn () in Group 7; Mn's configuration is , matching

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Question ID VK-132861