Sulfer 1
Known to the ancients (in Genesis it is called brimstone), sulfur was first classified as an element in 1777 by Antoine Lavoisier. It is estimated to be the ninth most abundant element in the universe. In the form of sulfides, sulfates, and elemental sulfur, the element constitutes about 0.03 percent of the Earth's crust. After oxygen and silicon, it is the most abundant constituent of minerals.
Occurrence, properties, and uses. Native or free sulfur occurs chiefly in …
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