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D2.  CLASSIFYING SUBSTANCES IN BULK: COMPOUNDS & ELEMENTS

Organization chart for PURE MATTER

PURE MATTER

There are several different types of chemical formulae each of which conveys particular levels of information and possesses its own convenience for a given situation.

In particular, covalent molecules can often be represented by a variety of different formulae.  It is vitally important not only to know the distinction between these formulae but also to appreciate the information being conveyed.

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