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state one of the phosphorus atomic orbitals that are filled according to Hund's ...
Aug 1, 2024
state one of the phosphorus atomic orbitals that are filled according to Hund's rule
Solution
1
Identify the atomic orbitals of phosphorus: Phosphorus has an atomic number of 15, which means it has 15 electrons. The electron configuration of phosphorus is 1s22s22p63s23p31s^2 2s^2 2p^6 3s^2 3p^3
2
Apply Hund's rule: Hund's rule states that electrons will fill degenerate orbitals (orbitals with the same energy) singly before pairing up. For the 3p orbitals in phosphorus, this means that each of the three 3p orbitals will have one electron before any of them have two
3
Determine the filled orbitals: According to Hund's rule, the 3p orbitals in phosphorus will be filled as 3px13py13pz13p_x^1 3p_y^1 3p_z^1
Answer
One of the phosphorus atomic orbitals that are filled according to Hund's rule is the 3px3p_x orbital.
Key Concept
Hund's rule states that electrons will fill degenerate orbitals singly before pairing up.
Explanation
In the case of phosphorus, which has an electron configuration ending in 3p33p^3, each of the three 3p orbitals will have one electron before any of them have two. This means that the 3px3p_x, 3py3p_y, and 3pz3p_z orbitals each contain one electron.
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