Chemistry
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What are ions?
by Jeffrey Graf
An ion is an atom or molecule that has an electrical charge. When an atom or molecule loses an electron, it gains a positive charge, and when a chemical gains an electron, it gains a negative charge. Ions are usually designated by their chemical name or formula followed by a + or - sign, and perhaps a charge number. An ion can loose or gain more than one electron. A chemical in it's ionic form may
469 Article Titles on Chemistry
Home > Sciences > Physical Science > Chemistry
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How to make a winning science fair chemistry project
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How to grow crystals for a science fair project
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The chemistry of chocolate
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The chemical properties of zinc
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The difference between fluorescence and phosphorescence
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The chemical properties of copper
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The difference between exothermic and endothermic chemical reactions
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Subtleties of perfume chemistry
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The common table salt is sodium chloride (NaCl) and it can give good satisfactions to the lovers of big and regular crystals. In fact,
Oxidation numbers do not have a true physical significance in the real world, but they are tremendously useful as a book-keeping
Chemical reactions are of various types and many are the sensible effects that can reveal them.
In many cases, reactions are spontaneous,
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