MHT CET Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesMHT CET

How many unpaired electrons are present in Europium? (atomic number 63)

Answer: (D)

Solution

Eu is [Xe]4f7 6s2, and the half-filled 4f subshell has seven unpaired electrons. Hence the correct option is (d).

Question ID VK-074422