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Question

Differentiate between symbol and formula.


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Solution

SymbolChemical formula
  • A chemical symbol represents an element from the periodic table.
  • We see that the chemical symbols are frequently followed by a subscript representing the mole proportions of the next element.
  • A chemical symbol represents an element that has not been mixed with any other elements.
  • H = Hydrogen
    He = Helium
  • A chemical formula is made up of two or more symbols that indicate a chemical substance.
  • A chemical formula specifies the kind and number of elements in chemical composition. Here are a few examples:
  • CO stands for carbon monoxide (carbon with oxygen)
    H2O stands for water (hydrogen with oxygen)

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