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MHT CET Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesMHT CET

The general electronic configuration of 3d series is

Answer: (A)

Solution

The 3d series (Sc to Zn) has the argon core, and 1 to 10 electrons in 3d with 1 or 2 electrons in 4s; (b) and (d)

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Question ID VK-074202