Practice Principal Quantum Number (n) and Energy Levels - 2.6.1 | Unit 2: Atomic Structure | IB Grade 11: Chemistry
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2.6.1 - Principal Quantum Number (n) and Energy Levels

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the maximum number of electrons in n = 3?

💡 Hint: Use the formula 2n².

Question 2

Easy

Define the principal quantum number (n).

💡 Hint: Think about how it correlates to distance from the nucleus.

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 is the formula to calculate the maximum number of electrons in an energy level?

  • 4n
  • 2n²

💡 Hint: Think about how the number of electrons increases with n.

Question 2

True or False: The azimuthal quantum number can be greater than the principal quantum number.

  • True
  • False

💡 Hint: ℓ depends on n.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate and compare the maximum number of electrons in the n = 3 and n = 4 energy levels, and discuss the implications of this for chemical reactivity.

💡 Hint: Revisit the formula 2n².

Question 2

Explain how knowledge of 'n' and 'ℓ' can influence predictions about an element's bonding characteristics.

💡 Hint: Think about how the shape of orbitals affects overlapping during bonding.

Challenge and get performance evaluation