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d- and f-Block Elements — quick quiz

5 real NSEC questions on d- and f-Block Elements. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 3

MEDIUM

The magnetic moment of a complex ion [Fe(CN)₆]³⁻ is measured to be approximately 1.73 BM. What is the number of unpaired electrons in this complex?