Structure of Atom — Chemistry STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom2 Marks
Question
Indicate the number of unpaired electrons in: Fe.
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Answer
Iron (Fe):
Atomic number = 26
The electronic configuration is:
$1 s^2\ 2 s^2\ 2 p^6\ 3 s^2\ 3 p^6\ 4 s^2\ 3 d^6$
The orbital picture of chromium is:
From the orbital picture, iron has four unpaired electrons.
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