Which of the following element belongs to the first transition series of the periodic table?(a) V(b) Zr(c) Ta(d) YThis question was addressed to me in an internship interview.This intriguing question originated from Position of the Periodic Table topic in section D and F-Block Elements of Chemistry – Class 12

Which of the following element belongs to the first transition series

1.	Which of the following element belongs to the first transition series of the periodic table?(a) V(b) Zr(c) Ta(d) YThis question was addressed to me in an internship interview.This intriguing question originated from Position of the Periodic Table topic in section D and F-Block Elements of Chemistry – Class 12
Answer» Right CHOICE is (a) V The best I can explain: The first transition SERIES or 3d series corresponding to the filling of 3d sublevel consists of the following 10 elements of the 4^th period: Sc (Atomic No. = 21), TI, V, CR, Mn, Fe, CO, Ni, Cu and Zn (Atomic No. = 30).

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