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.
There are several uses of the word in various contexts: Biology A producer is anything that can make its own food, like plants. Producers are usually the start of the food chain. (An organism that captures energy from sunlight and transforms it into chemical energy that is stored in energy-rich carbon compounds. Producers are a source of food for other organisms.) Economy A producer is someone who raises