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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.
4 Discovered the Law of Conservation of Mass
5 Branch of chemistry that studies the chemistry of materials from non-biological origins.
6 Fhilosopher who supported the Four Elements Theory.
7 one who sought an elixir of life and a panacea and an alkahest and the philosopher\'s stone.
8 J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle.
9 Was an English Nobel laureate in physics awarded for his discovery of the neutron.
10 change in the matter is reversible.
11 When you boil an egg this kind of change happens in the matter
12 is the pH of distilled water
13 Proposed the “Billiard-ball model” of the atom.
14 It means indivisible in greek.
15 He said that the atom look like a plum pudding.
16 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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