Exam 1 Review 09 18 2013 Taxonomy Domain Kingdom Phylum Class Order Family Genus Species Mass number Protons Neutrons Atomic Mass Protons Electrons Electron Orbitals 1st 2 2nd 8 3rd 18 Ion Charged particle Anion Positive Cation Negative Atomic Masses Hydrogen 1 Carbon 6 Nitrogen 7 Oxygen 8 Isotopes differ in number of neutrons 09 18 2013 09 18 2013
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