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Which law represents the pairing of electrons in a subshell after each orbital is filled with one electron? A. Pauli's exclusion principle B. Hund's rule C. Heisenberg's principle D. Hess's law
Question
Which law represents the pairing of electrons in a subshell after each orbital is filled with one electron?
A. Pauli's exclusion principle B. Hund's rule C. Heisenberg's principle D. Hess's law
Answer
Explanation
The correct answer is B.
Hund's Rule states that electrons will fill each orbital within a subshell singly before any orbital is doubly occupied. This means that electrons will pair up in an orbital only when all the orbitals in that subshell have one electron each.
Final Answer
B
