Basic+Information

Basic Information:


 * Symbol || As ||
 * Atomic Number || 33 ||
 * Atomic Weight || 74.92160 ||
 * State of Matter in Room Temp. || Solid ||
 * Element Category || Metalloid ||
 * Molecular Formula || As ||

Arsenic occur normally with sulfur and metals, and it is aslo a pure elemental crystal. It was first documented by Albertus Magnus in 1250.

Corresponding Chemical Equations:
 * Dominant Commercial Source of Arsenic || MAsS &MAs2 ||
 * Arsenopyrite || FeAsS ||
 * White Arsenic || As2O3 ||
 * Arsenic Pentoxide || As2O5 ||
 * Orpiment || As2S3 ||
 * Realgar || As4S4 ||
 * Roxarsone || HOC6H3(NO2)AsO3H2 ||

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