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The sub-shell notation for l equal to 2 is the:
AP sub-shell
BF sub-shell
CD sub-shell
DS sub-shell
Answer & Solution
Correct answer: C. D sub-shell
1. The letters follow the order s, p, d, f, g, h.
2. The third of these, for l equal to 2, is d.
3. So the correct answer is d.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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