3.3.2 - MOLECULES OF COMPOUNDS
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Practice Questions
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Define a molecule.
💡 Hint: Think about what makes up a compound.
What does atomicity represent?
💡 Hint: Consider how many atoms combine to form a molecule.
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Interactive Quizzes
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What is a molecule?
💡 Hint: Remember the definition and think of examples.
True or False: A compound's properties are the same as its constituent elements.
💡 Hint: Consider how compounds are made distinct.
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Challenge Problems
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Given the atomic masses: hydrogen = 1u, nitrogen = 14u, calculate the molecular mass of ammonia (NH3).
💡 Hint: Add together the contributions from each atom in NH3.
Explain how the law of conservation of mass applies when forming a chemical compound from its elements.
💡 Hint: Think of a balanced equation and assess the weight before and after reactions.
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