1
Proved the existence of an atomic nucleus.
2
French physicist who discovered radioactivity.
3
This property is common to acids and bases. Is a property that makes them dangerous.
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Discovered the Law of Conservation of Mass
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Branch of chemistry that studies the chemistry of materials from non-biological origins.
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Fhilosopher who supported the Four Elements Theory.
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one who sought an elixir of life and a panacea and an alkahest and the philosopher\'s stone.
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J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle.
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Was an English Nobel laureate in physics awarded for his discovery of the neutron.
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change in the matter is reversible.
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When you boil an egg this kind of change happens in the matter
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is the pH of distilled water
13
Proposed the “Billiard-ball model” of the atom.
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It means indivisible in greek.
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He said that the atom look like a plum pudding.
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Predicted that electrons spin while orbiting the nucleus
17
This model,ndepicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus
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