- a rather toxic metallic factor which has three allotropic types; arsenic and arsenic substances are employed as herbicides and pesticides as well as other alloys; present arsenopyrite and orpiment and realgar
- a tremendously toxic metallic factor that three allotropic forms; arsenic and arsenic compounds are utilized as herbicides and pesticides and differing alloys; within arsenopyrite and orpiment and realgar
Hypernym for "atomic number 33"
- chemical element
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