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химический элемент группы VII
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[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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element of group VII
Any of the elements of the halogen family, consisting of fluorine, chlorine, bromine, iodine, and astatine. (Source: MGH)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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