Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. Arsenic is a metalloid. It can exist in various allotropes, although only the gray form has important use in industry.ray arsenic (Î±-As, space group R 3 m No. 166) adopts a double-layered structure consisting of many interlocked, ruffled, six-membered rings. Because of weak bonding between the layers, gray arsenic is brittle and has a relatively low Mohs hardness of 3.5.
Consumers' cooperative is ought to provide quality goods and services at the lowest cost to the consumer/owners alike.producer cooperatives help in creation of jobs hence help alleviate poverty. 5 people found this useful.
Fact Sheet 6: Financial Trends and Needs of Cooperatives and Implications of Consolidation in the Farm Credit System (PDF) The purpose of the symposium was to consider the effects consolidation may haveâboth positive and negativeâon the System's safety and soundness and its ability to fulfill its mission.