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Review Quiz Unit 4- Atomic Structure
Period: ________
Use your notes or the book to answer the following questions. You will be given credit for completing as well as for your
I. For questions 1-10 select from the following choices:
A. Aristotle
B. Democritus
D. Thomson
E. Rutherford
C. Dalton
___E_ 1. Provided evidence of a denser, positively charged mass in the center of an atom
___B_ 2. Thought that matter was made of tiny particles that could not be divided
___D_ 3. Provided evidence that an atom contains negatively charged particles
___A_ 4. Stated that matter could be grouped into air, water, fire and earth
___C_ 5. Stated that when elements combine in a compound, the ratio of their masses is
always the same
___E_ 6. Used the gold foil experiment
___D_ 7. Proposed the plum pudding model of the atom
___D_ 8. First to prove that atoms are made of smaller subatomic particles.
___E_ 9. Showed that atoms are mostly empty space.
___B_ 10. Called the tiny particles of matter “atomos”
II. For questions 11-21 select from the following choices (you may have more than one
selection for some answers):
A. proton
B. neutron
C. electron
___A_ 11. The atomic number equals the number of
___B_ 12. The mass number minus the atomic number equals the number of
_A, B_ 13. Included in the mass number
___A_ 14. Positive charge
___C__ 15. Negative charge
___B_ 16. Neutral charge
___C_ 17. Located around the outside of the nucleus
_A, B_ 18. Located inside the nucleus
_A, B_ 19. Have about the same mass
___B__20. Determines the isotopes for any element
___A__21. This is unique for every element