Practice - Valence Electrons and Valency
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Practice Questions
Test your understanding with targeted questions
What are valence electrons?
💡 Hint: Think about which electrons are responsible for chemical bonding.
What is the valency of sodium (Na) which has 1 valence electron?
💡 Hint: How many electrons does it need to lose or share?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are valence electrons?
💡 Hint: Think about which electrons are involved in bonding.
True or False: The valency of an atom is always equal to the number of valence electrons.
💡 Hint: Consider how atoms achieve stable configurations through bonding.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the valency of nitrogen (N) which has 5 valence electrons, and explain how it bonds with hydrogen (H).
💡 Hint: Consider how many more electrons nitrogen needs to reach 8.
Discuss how the valencies of magnesium (Mg) and chlorine (Cl) allow them to form an ionic bond.
💡 Hint: Look at how they both achieve stability through electron transfer.
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