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How many 3d electrons are in an atom of each element?(a) Fe(b) Sn(c) K(d) As
Chapter 9, Problem 70P(choose chapter or problem)
How many 3d electrons are in an atom of each element?
(a) Fe
(b) Zn
(c) K
(d) As
Questions & Answers
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QUESTION:
How many 3d electrons are in an atom of each element?
(a) Fe
(b) Zn
(c) K
(d) As
ANSWER:Step 1 of 4
The presence of number of 3d electrons can be known from the electronic configuration of the respective elements.
(a) Fe
The electronic configuration of \({ }_{26} \mathrm{Fe}[\mathrm{Ar}] 3 \mathrm{~d}^{6} 4 \mathrm{~s}^{2}\)
Fe has 6 electrons in its d-orbital.
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