Atomic Theory Quiz

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1.
The Bohr places up to _?_ in fourth energy level. (type in number - not name)

2.
What word meant "unbreakable" or "uncuttable"? (singular)

3.
Democritus believed the _?_ of atoms determined their properties.

4.
J. J. Thomson disovered that the ray in his cathode ray tube was attracted to a _?_ plate. (charge)

5.
By observing that most alpha particles went straight through the gold foil, Rutherford concluded that atoms were mostly _?_ _?_.

6.
Mendeleev used atomic weight and _?_ to arrange the elements on his periodic table.

7.
Chadwick was awarded the Nobel Prize in Physics for his discovery of the _?_.

8.
By shooting alpha particles at gold, Rutherford proposed the existance of a _?_ in the atom.

9.
J.J. Thomson called his model of the atom the __?__ model.

10.
Rutherford called his model of the atom the _?_ model.

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