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-mathematical equations used to closely find the position of electrons.
-uncovered the electron cloud.
-the closest to the nucleus the less energy an electron has.
-the farther away from the nucleus the higher energy an electron has.
goo.gl/lRd9J9

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-bombarded alpha particles with nitrogen and with the emission of protons.
-discovered NEUTRONS
-lead to the development of the atomic bomb
-awarded the Nobel Prize in Physics in 1935
goo.gl/oaPnIK

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-Calculated the mass of an electron to 9.11x10^-28 grams.
-Famous for his "oil-drop" experiment.
-Also determined the charge of an electron.https://goo.gl/rG27cx

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-Proved the Law of Conservation of Matter
-Conducted numerous experiments where he weighed the reactants and products of a reaction.https://goo.gl/zQSGyL

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-Niels Bohr
-depicted the atom with a positively charged nucleus that is surrounded by electrons.
-electrons travel in circular orbits.
goo.gl/6e4tcV

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-Atoms of the same element are alike.
-Atoms are combined to create compounds.https://goo.gl/zYQKf8

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-Used the "Gold Foil Experiment" where he fired positively charged particles at gold foil.
-Determined that atoms contained something positively charged--the nucleus.
-Rutherfords Model; positively charged nucleus and the outside was negatively charged.https://goo.gl/rk7cKv

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-discovered that there are things smaller than an atom.
-experimented with a Cathode Ray Tube(tube that ran electricity to create light)
-discovered ELECTRONS(¨corpuscles¨ he called them)
-¨Plum Pudding¨ Model; there were negative electrons inside an atom and the atom in a whole was positive.
goo.gl/jMiBJl

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-philosopher
-thought everything was made up of fire, earth, water, and air.
https://goo.gl/Z5KTFU

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-400 B.C (philosopher)
-¨Atomos¨= atoms
-believed atoms were little balls made of the same material with different shapes.
-atoms capable of joining together and are always moving.
-thought there were an infinite number of atoms.
goo.gl/41mrg6