1
Q
Discovered electrons using cathode ray tube
A
Thomson
2
Q
Discovered “positive rays” which later became known as protons?
A
Goldstein
3
Q
Discovered neutron of an atom?
A
Chadwick
4
Q
Preformed gold foil experiment and discovered nucleus of an atom?
A
Rutherford
5
Q
Determined atomic number for each element by measuring x-rays produced from a specific element in an x-ray tube?
A
Mosely
6
Q
Proposed atomic model with a dense central nucleus showing electrons orbiting at various levels?
A
Bohr
7
Q
Accidentally discovered rays emitted from uranium salts during radioactive decay?
A
Becquerel
8
Q
Determined charge on electron in the oil drop experiment?
A
Millikan
Chemistry
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