كتب atomic number 33
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atomic number 33 (معلومة)
- atomic number 33:- a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar (Arabic WordNet)
- atomic number 33:- a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar (Princeton WordNet 3.1)
