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Chemistry (from Egyptian kēme (chem), meaning "earth") is the science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. It is a physical science for studies of various atoms, molecules, crystals and other aggregates of matter whether in isolation or combination, which incorporates the concepts of energy and entropy in relation to the spontaneity of chemical processes. Modern chemistry evolved out of alchemy following the chemical revolution (1773).
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OMG - Magnesium - Mg - periodic table Mouse Pad
Sale Price $10.64. Original Price $13.30. Comp. value
Rubidium Embroidered Baseball Hat
Price$32.90
Technetium Embroidered Baseball Hat
Price$32.90
Ununoctium Embroidered Baseball Hat
Price$32.90
Copper Embroidered Baseball Hat
Price$32.90
Magnesium Embroidered Baseball Cap
Price$32.90
Beryllium Embroidered Baseball Hat
Price$32.90
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OMG - Magnesium - Mg - periodic table T-Shirt
Sale Price $17.16. Original Price $21.45. Comp. value
Krypton Embroidered Baseball Cap
Price$32.90
Mercury Embroidered Baseball Cap
Price$32.90
Rhenium Embroidered Baseball Hat
Price$32.90
Xenon Embroidered Baseball Hat
Price$32.90
Tungsten Embroidered Baseball Cap
Price$32.90
Zirconium Embroidered Baseball Cap
Price$32.90
Chemistry Embroidered Baseball Cap
Price$32.90
Tellurium Embroidered Baseball Hat
Price$32.90
Cobalt Embroidered Baseball Hat
Price$32.90
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