Chalcogen (noun) Definition, Meaning & Examples

noun
  1. any of the elements oxygen, sulfur, selenium, tellurium, and polonium, which form the VIa group in the periodic table.
noun
  1. any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table
Chalcogen (noun) Definition, Meaning & Examples

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