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Atomic Theory

Across
Name of the particles shot through the gold foil
Neutral particles in the nucleus of an atom
A scientific explanation for an occurance
Law of ______ Proportions
Discovered the Nucleus with Gold Foil experiment
What the word "atom" means n Greek
Type of substance described in the law of Definite proportions
Negatively charged subatomic particle
One of the "elements" of the ancient Greeks
Forms of an element with different masses
Down
The purpose of neutrons inthe nucleus
Gave the world the first MODERN atomic theory
Positive particles in the nucleus of an atom
French scientist who discovered the Law of Conservation of Mass
Discoverer of the electron
A _____ Ray Tube was used to discover the electron
The center of an atom
What the majority of an atom is
Greek philosopher who first imagined atoms
Means smaller than an atom
Discoverer of the neutron
Rutherford's experiment which discovered the nucleus