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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the electron configuration for Sodium (Z = 11)?
💡 Hint: Think about how many electrons are in sodium.
Question 2
Easy
Using noble gas notation, how would you write the configuration for chlorine (Z = 17)?
💡 Hint: Consider that chlorine is one step after neon in the periodic table.
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 electron configuration for a Neon atom?
- 1s² 2s² 2p⁶
- 1s² 2s²
- 1s² 2p⁴
💡 Hint: Think about the total number of electrons in Ne.
Question 2
True or False: The electron configuration for lithium is 1s² 2s¹.
- True
- False
💡 Hint: Recall the atomic number of lithium.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write the complete electron configuration for Manganese (Mn, Z = 25) and indicate if any exceptions apply.
💡 Hint: Follow the Aufbau principle and use the periodic table.
Question 2
For an unknown element X with the configuration [Kr] 5s² 4d¹⁰ 5p², what is its atomic number?
💡 Hint: Count the electrons represented in each part of the configuration.
Challenge and get performance evaluation