5.2 - Chemical Symbols
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Practice Questions
Test your understanding with targeted questions
What is the chemical symbol for Oxygen?
💡 Hint: Think of its name.
What does valency refer to?
💡 Hint: It's about how many bonds an atom can form.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the symbol for Sodium?
💡 Hint: Think about its Latin name.
True or False: Radicals can be charged groups of atoms.
💡 Hint: Recall our definition of radicals.
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Challenge Problems
Push your limits with advanced challenges
If the chemical equation is given as C + O₂ → CO₂, how do you balance it?
💡 Hint: Count the atoms on both sides carefully.
A compound consists of one Aluminium atom and three Oxygen atoms. Write its empirical formula.
💡 Hint: Use the criss-cross method to write the formula.
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