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Hund's rule is known as the rule of maximum:
AMalleability
BMeasurability
CManageability
DMultiplicity
Answer & Solution
Correct answer: D. Multiplicity
1. The rule governs filling orbitals of equal energy.
2. It is called Hund's rule of maximum multiplicity.
3. So the correct answer is multiplicity.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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