Elements, Atoms, and Ions
History-
Robert Boyle's idea of an element- a substance is an element unless it can be broken down his flaw- he believed that metals were not elements because they could change due to alchemy Elements of the Body we are composed of elements but we need 25 to live the main 6: oxygen- water nitrogen- protein, DNA, and muscles hydrogen- water calcium- bone growth phosphorus- part of ATP which is used for energy carbon- organic mineral Symbols
Dalton's Atomic Theory
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Plum Pudding Model
Parts of an Atom: Proton Neutron Electron atoms are classified by their atomic number which equals the number of protons in the nucleus Isotope
Physical Properties of Metals
Non Metals
Allotropes
Ions
Ionic Compound
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