Structure of Atom — Chemistry STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom2 Marks
Question
Indicate the number of unpaired electrons in: Si.
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Answer
Silicon (Si):
Atomic number $=14$
The electronic configuration of Si is:
$1 s^2 2 s^2 2 p^6 3 s^2 3 p^2$
The orbital picture of Si can be represented as:
From the orbital picture, silicon has two unpaired electrons.
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