| Themes > Science > Chemistry > Miscellenous > Help file Index > Liquid and Solid Properties > Substance types |
Elements and compounds can be classified into a variety of types depending on the types of forces that occur between the atoms or molecules. These types are not hard and fast definitions: the definition between an ionic solid and a molecular substance held together by dipole forces can be quite fuzzy, for example. More information is available from each link:
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