Multiple choice general knowledge

In an atom no two electrons have all the four quantum numbers identical. This is known as

  1. Paulis Exclusion principle

  2. Hunds Rule

  3. Aufbau Principle

  4. Avogadros Law
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A Correct answer
Explanation

The Pauli Exclusion Principle states that no two electrons in an atom can have identical sets of all four quantum numbers (n, l, ml, ms). This limits each orbital to a maximum of two electrons with opposite spins.

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