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Start-up #22 1. What did Democritus suggest matter was made of?

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Presentation on theme: "Start-up #22 1. What did Democritus suggest matter was made of?"— Presentation transcript:

1 Start-up #22 1. What did Democritus suggest matter was made of?
2. Make a sketch of J.J. Thomson’s model of the atom: 3. Made a diagram of Rutherford’s model of the atom:

2

3 Modern Theory of Atomic Structure

4 What is an atom? (4) Atom: ________________________________________
See textbook pg Atom: ________________________________________ ________________________________________ What is an atom? (4) Cut and discard this bottom portion.

5 What are the 3 subatomic particles of the atom? (5)
See textbook pg. 163 Name Symbol Electric Charge Relative Mass Location in Atom proton neutron electron __________ protons __________ neutrons __________ electrons __________ electron shells What are the 3 subatomic particles of the atom? (5) Cut and discard this bottom portion.

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