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QUESTION
What is the oxidation number of bromine in the following molecules: HBrO 4 ; HBrO 3 ; HBrO; HBr; Variants:
What is the oxidation number of bromine in the following molecules:
HBrO4; HBrO3; HBrO; HBr;
Variants: -1; +1; +5; +7
