Name:______________________________ Date:____________
Atomic Theory and Structure Power Point Lesson on wiki
1.
How did John Dalton describe an atom?
2. What part of an atom did JJ Thomson discover?______________________
What did he use in his experiments to discover these
particles?________________________
3. Draw a picture to represent the model of the atom proposed by JJ Thomson.
4. What did the plums or chocolate chips represent in Thomson’s model of the
atom?_______________________
5. Who conducted the Gold Foil Experiment?_________________________
6. What part of the atom did Ernest Rutherford discover?_________________
7. Describe the nucleus according to Rutherford.
8. Where are electrons found in the nucleus?_______________________
9. The mass of a proton is almost the same as the mass of a _________________
10. Which particle has a negative charge: _____________________
No charge:____________________ Positive Charge:________________
11. How are the number of protons determined?
12. How are the number of electrons determined?
13. How are the number of neutrons calculated?
14. What are neutral aoms?
15. Define isotopes: ____________________________________________
_______________________________________________________
16. In the symbols used to represent isotopes what do the following represent:
A: ___________________________________
Z: ______________________________________