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STD 11 - 2. structure of atom — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 2. structure of atom4 Marks
MCQ
How many electrons can be fit into the orbitals that comprise the ${3^{rd}}$ quantum shell $n = 3$
  • A
    $2$
  • B
    $8$
  • ✓
    $18$
  • D
    $32$
✓

Answer

Correct option: C.
$18$
c
(c) No. of electrons in ${3^{rd}}$ shell = $2{n^2}$= $2\,{(3)^2}$$ = \,\,18$

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