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Proposed that the earth was not the center of the universe and that it was one of the many planets orbiting around the sun
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Proposed that fire was caused by an ethereal entity named "Phlogiston" which reduced things to its original form. This was a major set back since it prevented any further discoveries.
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Believed everything was mad of salt, sulfur and mercury.
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Wanted to investigate and experiment on phosphorus and shared his methods which helped expand the mysteries in matter
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First salaried chemist to perform one of the most impactful experiments in the world which led to the discovery of oxygen.
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Collected gas derived by Zinc dissolved by acid discovering Hydrogen.
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Believed gold could be found within humans but discovered phosphorus instead
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Repeated Priestly's experiment in reverse and found that "Phlogiston" was indeed oxygen and was the first to define an element.
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Discovered Potassium
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Left empty spots in periodic table and made predictions on the missing elements and had a astounding grasp of chemistry. He also discovered radium to which his findings had to be altered to which he did not want to believe.