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PictureHe was from Greece. Believed in the four elements: Earth, Air, Fire, and Water.
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PictureDemocratus was from abdera. In 440 BC, he created the 1st model of the atom. He named it the ATOM.
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He was from Paris. He created a common language for all scientist to use.
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He was from England. He created the atomic theory of matter,
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He was from Paris. He discovered Radio-activity.
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He was born in England. He said there was small particles in every atom and atoms must ne negative. He proved Daltons theory wrong.
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they are from France. They discovered elements, radium and polonium. Got they idea from Henri Becquerel's radioactivity idea.
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He was from Germany. he said you can measure energy in discrete units.
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He was from Europe. He discovered a valvue for electron mass by using the Oil Drop Experiment.
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He was from New Zealand. He contributed to the absorbtion of radioactiity. (Alpha, Beta, Gamma rays) He also named protons, neutrons, and electrons.
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He is danish. He created energy levels and models. Known as the Bohr model.
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He was British. He discovered that the frequency of x-rays should depend on the charge of the nucleus.
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He lived in Germany. He created the theory for structure of coordination complexes.
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He was from Austria/Ireland. He discovered quantum mechanics and wave mechanics.
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He is from England. He discovered the Neutron.
