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Mathematics 16 Online
OpenStudy (anonymous):

did i correctly pair these? C. Lone elements and atoms in gases: 0 E. Elements in groups 1, 2, and 17 and polyatomic ions: Ionic charge B. Hydrogen: +1, – 1 if bonded to a diatomic metal A. Oxygen: Almost always –2 D. Elements with multiple oxidation states: Determined by other elements in the compound

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