Chemistry Articles

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  Isotope

  Isotopes are forms of an element whose nuclei have the same atomic number–-the number of protons in the nucleus--but different mass numbers because they contain different numbers of ... > more
• Quantum Physics
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  Nature of Water
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  List of phases of matter

  This is a list of the different phases of matter including the more exotic ones. Generally phases of matter are distinguished by the pressure and temperature, transforming into other phases as ... > more
• Energy Technology
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  Electrical conduction

  Electrical conduction is the movement of electrically charged particles through a transmission medium. The movement can form an electric current in response to an electric field. The underlying ... > more
• Organic Chemistry
  Graphene
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  Carbon-14

  Carbon-14, 14C, or radiocarbon, is a radioactive isotope of carbon discovered on February 27, 1940, by Martin Kamen and Sam Ruben. Its nucleus contains 6 protons and 8 neutrons. Its presence in ... > more
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  Bromine

  Bromine is a chemical element in the periodic table that has the symbol Br and atomic number 35. A halogen element, bromine is a red volatile liquid at room temperature which has a reactivity between ... > more
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  Nanoparticle

  A nanoparticle (or nanopowder or nanocluster or nanocrystal) is a microscopic particle with at least one dimension less than 100 nm. Nanoparticle research is currently an area of intense scientific ... > more
• Chemistry
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  Titanium

  Titanium is a chemical element in the periodic table that has the symbol Ti and atomic number 22. It is a light, strong, lustrous, corrosion-resistant (including resistance to sea water and chlorine) ... > more
• Air Pollution
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  Nitrogen

  Nitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. Nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues. ... > more
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  Autocatalysis

  A single chemical reaction is said to have undergone autocatalysis, or be autocatalytic, if the reaction product is itself the catalyst for that reaction. A set of chemical reactions can be said to ... > more
• Thermodynamics
  Nature of Water
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  Heat

  In physics, heat is a form of energy associated with the motion of atoms, molecules and other particles which comprise matter; generally defined as energy in motion. The amount of heat exchanged by ... > more

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