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Crucigrama Sopa de Letras Hoja de Trabajo
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Historical Figures

Historical figures that contributed to the atomic theory
Horizontales
Oil drop experiment.
Developed planetary model of the atom.
Developed the first atomic theory of matter.
Gold foil experiment.
Helped arrange atoms in the periodic table.
Verticales
Plum puddling model.
Electrons behave like waves
Quantum mechanical model
Discovered neutrons
Matter is composed of empty space in which atoms move.