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arzén
Č. záznamu d001151 Dátum 06.06.2025 Typ M Tematický termín arzén MDT D01.268.513.249 Poznámka A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) 
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