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plyny vzácne

  1. Subject h.plyny vzácne
    Subject h.Noble Gases
    Entry termsplyny inertné
    English X referencesGases, Inert
    Gases, Rare
    Rare Gases
    Scope note in EnglishElements that constitute group 18 (formerly the zero group) of the periodic table. They are gases that generally do not react chemically.
    Links (1) - ARTICLES
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