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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the principal quantum number (n)?
💡 Hint: Think about how electrons orbit the nucleus.
Question 2
Easy
What does the Pauli Exclusion Principle state?
💡 Hint: Consider what happens when two electrons share an orbital.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What determines the energy levels of electrons in a hydrogen atom?
- Principal quantum number
- Azimuthal quantum number
- Both
💡 Hint: Think about the levels of orbitals in hydrogen.
Question 2
Is it possible for two electrons to occupy the same orbital without any restrictions?
- True
- False
💡 Hint: Recall Pauli's rule on electrons in orbitals.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the effective nuclear charge (Z_eff) experienced by a 3p electron in sodium (Na). Given, Z = 11 and shielding constant S = 8.
💡 Hint: Use the formula for Z_eff.
Question 2
Explain why elements like Chromium preferentially adopt the electron configuration [Ar] 3d5 4s1 rather than [Ar] 3d4 4s2.
💡 Hint: Consider the stability associated with filled and half-filled configurations.
Challenge and get performance evaluation