Atom Quiz

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1. Name the three main subatomic particles.
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2. What is the smallest subatomic particle?


3. What are the valence electrons?


4. The _______ __________ force holds protons and neutrons together in the nucleus.

5. Who proposed the first theory about atoms?


6. What kind of bond involves atoms gaining and losing electrons?


7.What kind of bond involves atoms sharing electrons?


8. What is an ion?


9. What is an isotope?


10. What does the Greek word atomos mean?


11. What is another name for a negatively charged ion?


12. What is another name for a positively charged ion?