4.1 Atomic structure and the periodic table,
4.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes,
4.1.1.1 Atoms, elements and compounds
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Chemistry 5.1 Atomic Structure and the Periodic Table
By: liv s
5.1.1 A Simple Model of the Atom, Symbols, Relative Atomic Mass, Electronic Charge and Isotopes,
5.1.1.1 Atoms, Elements and Compounds,
5.1.1.2 Mixtures
...