matter and the periodic table

A conceptual review through the very basics of chemistry. Pure Substances (elements and compounds) vs mixtures Heterogeneous and homogeneous mixtures Phase changes Interpreting phase based on temperature, mp and bp Physical vs chemical changes Structure of the atom Gaining and losing electrons (ions, anion, cation) Reading the periodic table Calculating the number of neutrons in isotopes Writing and interpreting chemical formulas Periodic table: period, group, regions, metals, nonmetals, metalloids

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