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- 1. Multiple Choice
Who discovered electrons?
John Dalton
Joseph John Thomson
Ernest Rutherford
James Chadwick
- 2. Multiple Choice
Which Greek Philosopher believed that matter is composed of tiny particles called atoms?
Democritus
Aristotle
Phytagoras
Plato
- 3. Multiple Choice
What is the charge of the nucleus?
+
-
0
- 4. Multiple Choice
Who's incorrect view of matter was predominate for over 2000 years?
Democritus
Dalton
Aristotle
Bohr
- 5. Multiple Choice
Who created the solid sphere model of the atom?
Dalton
Thomson
Bohr
Rutherford
- 6. Multiple Choice
The cathode-ray tube was used to discover the ____ by ____.
Electron by Thomson
Electron by Ruthefeord
Proton by Thomson
Proton by Rutherford
- 7. Multiple Choice
Jimmy Neutron is the nick name for which scientist that discovered the neutron?
Chadwick
Rutherford
Bohr
Thomson
Moseley
- 8. Multiple Choice
Neils Bohr stated that electrons moved around the nucleus at fixed distances. This Bohr model was also called the
Planetary model
Plum Pudding model
Nuclear model
Quantum Mechanical Model
- 9. Multiple Choice
Which sub-atomic particle in the atom is responsible for the bonding and chemical properties (behavior) of the atom?
Protons
Electrons
Neutrons
- 10. Multiple Choice
Which of the following places the models of the atom from most historic to most recent.
solid sphere, plum pudding, nuclear, planetary, quantum mechanical
solid sphere, plum pudding, planetary, quantum mechanical, nuclear
plum pudding, nuclear, solid sphere, quantum mechanical, planetary
plum pudding, solid sphere, planetary, quantum mechanical, nuclear
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