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They developed the theory that all metals are composed of mercury and sulfur and that it is possible to change base materials into gold.
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Democritus is an ancient Greek philosopher who first used the word "atom". He created the theory of the atom and he also concluded that all mattered is made up of the invisible particles called atoms.
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Plato introduced the atom theory in which idel geometric forms serve as atoms, according to which atoms broke down mathematically into triangles.
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Aristotle provided us with Knowledge of natural science including physics, which gives vast amount of information on astronomy, meteorology, plants, and animals.
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Robert mainly studied gases. he discussed the possibility of atoms existing however his work was greatly impeded by the church.
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he was a French chemist, who s considered the founder of the modern chem. he also clarified the concept of an element as a simple substance that could not be broke down by any unknown method of chemical and lysis.
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British chemist and physicist who developed the atom theory upon which modern physical science if founded. Matter is composed of atoms of different weights and combined in simple ratios by weight.
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Pierre Curies and his wife Marie curies stated the radioactive materials cause.
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J.J. Thomason was the first to discover electrons.
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He was known a the special and general theories of relativity and for his intelligent hypothesis concerning the particle nature of light.
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American physicist, best known for his work i the atomic physici and major science dealing with the fundamental constituents of the universe, the forces they exert o one another, and the results produced by these forces
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British physicist became a Noble laureate for his plundering work in nuclear physics and for his theory of the structure of the atom.
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Neil Bohr was a Danish physicist who made foundational contributions to understand atomic structures and quantum theory.
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Mr. Mosely was an English physicist who experimentally demonstrated that the major properties of an element are determined by the atomic number, not the atomic weight, and firmly established the relationship between atomic number and the charge of the atomic nucleus.
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Mr. Heisenberg contributed to atom theory through formulating quantum mechanics in terms of matrices in discovering the uncertainty principle
