Practice Charged Particles In Matter (4.1) - Structure of the Atom

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6 sample questions

Question 1.
What sub-atomic particle is negatively charged?
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Think about the charge that can cause static electricity.
Question 2.
What is the main mass contributor in an atom?
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This particle is found in the nucleus.
3Question 3.
Which particle was discovered by J.J. Thomson?
- Neutron
- Electron
- Proton
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Remember the contribution to early atomic theory.
4Question 4.
True or False: Protons carry a negative charge.
- True
- False
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Think about the balance between protons and electrons.
Question 5.
A neutral atom has 10 protons. How many electrons does it have, and what element is it?
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Remember the charge balance in neutral atoms.
Question 6.
If an atom loses an electron, what happens to its overall charge? Explain the process.
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Consider the balance of charges.

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