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Elements in group 7A in the periodic table are the halogens; elements in group 6A are called the chalcogens.?

What is the most common oxidation state of the chalcogens compared to the halogens? The chalcogens have 6 valence electrons and the halogens have 7 valence electrons. This is the reason that the most common oxidation state for the chalcogens is -2, while the most common oxidation state for the halogens is -1. Also, oxidation

Elements in group 7A in the periodic table are the halogens; elements in group 6A are called the chalcogens.? Read More »

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