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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the maximum number of electrons in the second shell?
💡 Hint: Use the formula 2n², where n is the shell number.
Question 2
Easy
Define valence electrons.
💡 Hint: Think about the shell with the highest energy level.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the Aufbau Principle state?
💡 Hint: Think about how you'd fill a container from the bottom up.
Question 2
True or False: The Pauli Exclusion Principle states that two electrons can occupy the same orbital if they have opposite spins.
💡 Hint: Consider the restrictions on electron pairing.
Solve 3 more questions and get performance evaluation
Push your limits with challenges.
Question 1
An unknown element has the electron configuration of 1s² 2s² 2p⁶ 3s² 3p³. Identify the element and discuss its reactivity.
💡 Hint: Check the group based on the number of valence electrons.
Question 2
How does the electron configuration dictate the position of elements in the periodic table? Discuss the trends seen across a period and down a group.
💡 Hint: Consider how valence electrons influence reactions.
Challenge and get performance evaluation