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what is the definition for chemical formula. A symbolic expression showing the composition or constitution of a chemical substance and consisting of symbols for the elements present and subscripts to indicate the relative or total number of atoms present in a molecule the formula for ethyl alcohol is C 2 H 5 OH see empirical formula molecular formula structural formula. A chemical formula based on analysis and molecular weight.
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It identifies each type of element by its chemical symbol and identifies the number of atoms of such element to be found in each discrete molecule of that compound. A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule using the atomic symbols and numerical subscripts. Whether its a morning cup of java a cola with a value meal or an energy drink to beat the afternoon slump or a chocolate bar to relieve the stressful day.
This caffeine is the drug.
Chemical definition a substance produced by or used in a chemical process. The names caustic potash potassa and lye are frequently used for potassium hydroxide see potassium. The way of representing a substance using the symbols of its elements. Chemical formula any of several kinds of expressions of the composition or structure of chemical compounds.
