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Atomic Structure and Ions

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Atomic Structure and Ions

Atomic structure diagram

🔬 Part 1: Atomic Particles

1. What are the three main particles that make up an atom?

Protons, neutrons, electrons

Protons, ions, electrons

Neutrons, ions, molecules

Protons, neutrons, molecules

2. Which particle has a positive charge?

Electron

Neutron

Proton

Ion

3. Complete the table by filling in the missing charges:

Proton charge: ___________

Neutron charge: ___________

Electron charge: ___________

4. Where are electrons found in an atom?

⚡ Part 2: Ion Formation

5. An ion forms when an atom:

Gains or loses protons

Gains or loses neutrons

Gains or loses electrons

Changes its nucleus

6. If a sodium atom loses one electron, what charge will the ion have?

Charge: ___________

Ion symbol: Na___________

7. If a chlorine atom gains one electron, what charge will the ion have?

Charge: ___________

Ion symbol: Cl___________

8. Explain in your own words how an ion forms:

Sentence starter: An ion forms when...

🎯 Part 3: Apply Your Knowledge

9. Draw a simple diagram of a neutral atom showing the nucleus and electrons:
10. Extension Challenge: Explain why atoms form ions. What advantage does this give them?
11. Real-world Connection: Name one place where you might find ions in everyday life:

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