3.3.3 - WHAT IS AN ION?
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Practice Questions
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What is an ion?
💡 Hint: Think about the charges: positive and negative.
What is a cation?
💡 Hint: Cations carry a positive charge.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a cation?
💡 Hint: Remember C for cation and C for positive.
True or False: Anions are positively charged.
💡 Hint: Think of the letter A in anion for negative.
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Challenge Problems
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Draw the Lewis structure for sodium sulfate (Na₂SO₄) and explain the role of each ion in the compound.
💡 Hint: Remember: Charges must balance!
Determine the molecular formula for a compound formed by potassium ions (K+) and phosphate ions (PO₄³-).
💡 Hint: Balance the charges for the final formula!
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