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Phosphorus has three electrons in its 3p sublevel and sulfur has four.
Phosphorus should have the lower ionization energy but it does not,
sulfur does. What does this provide evidence for?
A. Aufbau's principle
B. Conservation of energy
C. Hund' rule
D. None of these
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Answer :

Answer:

D

Explanation:

Phosphorus has the highest I.E because of its half-filled p orbitals which are more stable tah partially-filled orbitals of Sulphur

lainijustus91

Answer:

the answer would be D none of these

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