Science Source General Science
EN_90286236_0087
![Science Source General Science](img/medium/arch1/dvd0114/36/EN_90286236_0087.jpg)
Arsenic and its compounds are used as pesticides, herbicides, insecticides and various alloys. It is atomic number 33 with the symbol As, and is known to be a poisonous metalloid.
2010-02-13
EAST NEWS
Science Source
Charles D. Winters
bj3976
1,58MB
29cm x 20cm by 300dpi
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