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Which of the following represents the correct orbital diagram for a neutral boron atom?
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10. Periodic Properties of the Elements
The Electron Configuration
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Which electron configuration represents a violation of the Auf Bau Principle?
A
B
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D
Guida verificata passo dopo passo1
Step 1: Understand the Aufbau Principle, which states that electrons fill orbitals starting from the lowest energy level to the highest. This means orbitals are filled in the order of increasing energy (e.g., 1s, 2s, 2p, 3s, etc.).
Step 2: Examine the provided electron configurations in the images. Look for any violations where electrons are placed in higher energy orbitals before lower energy orbitals are completely filled.
Step 3: Identify configurations where the 1s, 2s, or 2p orbitals are not fully occupied before electrons are placed in higher orbitals such as 3s or 3p.
Step 4: Pay attention to the number of electrons in each orbital and ensure that the Pauli Exclusion Principle and Hund's Rule are also followed. For example, electrons in the same orbital must have opposite spins.
Step 5: Once the violation is identified, note the specific orbital arrangement that breaks the Aufbau Principle, such as skipping a lower energy orbital or incorrectly filling orbitals.
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