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beryllium sulfate [Supplementary Concept]
used as a diagnostic aid for allergic reactions in patients with fungal infection; RN given refers to (Be sulfate[1:1])
Date introduced: January 1, 1979
Metals, Light
Metals with low specific gravity, typically smaller than 5, characterized by a single valence (1, 2, or 3), a simple spectrum, strong electromotive force (positive), and colorless compounds. (From Grant and Hackh's Chemical Dictionary, 5th ed)
Year introduced: 1997
Metals, Alkaline Earth
Metals that constitute the group 2 (formerly group IIA) of the periodic table.
Year introduced: 1976
Metals
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant and Hackh's Chemical Dictionary, 5th ed)
Inorganic Chemicals
A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements. However, carbides, carbonates, cyanides, cyanates, and carbon disulfide are included in this class.
Year introduced: 1998
Elements
Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge but may differ in mass or number of neutrons.
Beryllium
An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.