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Structure of Atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom1 Mark
Question
How many subshells are associated with n = 4?
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Answer

n = 4 (Given)
For a given value of ‘n’, ‘l’ can have values from zero to (n – 1).
$\therefore$ l = 0, 1, 2, 3
Thus, four sub-shells are associated with n = 4, which are s, p, d and f.

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