Examlex
A 4 x 6-inch sill is installed on a foundation 20 x 42 feet. A built-up sill 4 x 6 inches is constructed using doubled 2 x 6 inch lumber. How many linear feet of lumber are needed?
FeAsS
Also known as Arsenopyrite, it is a mineral consisting of iron, arsenic, and sulfur.
Realgar
A red-orange arsenic sulfide mineral, historically used as a pigment and in fireworks.
Formula
A symbolic representation of the composition of a chemical compound, showing the elements present and their relative proportions.
AsS
Arsenic sulfide, a compound of arsenic and sulfur, known for its use in pigments and in various chemical reactions.
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