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A. +1B. +2C. +4D. +5E. +6
6. In the formula of a compound, the algebraic sum of the oxidation numbers must be 0
oxygen's oxidation number in most compounds is ?2.
A. T,FB. F,TC. T,TD. F,FE. T,T,CE
7. Fluorine is assigned an oxidation number of ?1 in all compounds
fluorine is the most electronegative element.
8. Balanced equations have the same number of reactant atoms as the product atoms
the conservation of matter must apply in all regular chemical equations.
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