Practice What Is An Ion? (3.3.3) - Atoms and Molecules

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9 questions

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6 sample questions

Question 1.
What is an ion?
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Think about the charges: positive and negative.
Question 2.
What is a cation?
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Cations carry a positive charge.
3Question 3.
What is a cation?
- A negatively charged ion
- A positively charged ion
- An uncharged atom
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Remember C for cation and C for positive.
4Question 4.
True or False: Anions are positively charged.
- True
- False
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Think of the letter A in anion for negative.
Question 5.
Draw the Lewis structure for sodium sulfate (Na₂SO₄) and explain the role of each ion in the compound.
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Remember: Charges must balance!
Question 6.
Determine the molecular formula for a compound formed by potassium ions (K+) and phosphate ions (PO₄³-).
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Balance the charges for the final formula!

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