Elements in the second column (from the left) of the periodic table all fall into this series. These elements are in general white, differing by shades of color or casts; they are malleable,
The fourteen elements in the bottom row of the inner-transition elements of the periodic table that follow the element actinium (Ac #89). Some reference sources include actinium in this seri
Compounds that contain hydrogen (H #1) and when dissolved in water (H2O), they increase the concentration of hydrogen ions, H+ (hydronium ions H3O+). Acids are proton donors. Substances with
In measurement indicates that a set of measurements are close to the true answer, though they are not necessarily precise.
The difference between the approximate and exact value in any calculation.
Common name Chemical name
AA: activation analysis; atomic absorption AAF: acetylaminofluorene AAPCC: American Association of Poison Control Centers AAS: atomic absorption spectrophotometry
1,1-DCE: 1,1-dichloro (vinylidene chloride) 2-AAF: 2-acetamidofluorene 2-AB: sec-butylamine 2-CBA: 2-chlorobenzoic acid 2-CNB: 1-chloro-2-nitrobenzene
Matter in the form of particles, the chief components of which are soot and unburned hydrocarbons.
A method of positioning and securing the interior space, luggage compartment, and so forth, depending on the positioning of the engine, chassis, and other parts of the automobile.
One method of performing safety control of chemical substances, it consists of papers containing information on the substance's name, chemical and physical properties, dangers, harmfulness,
International standards for environmental management systems set forth by the International Organization for Standardization. It is one part of the 14000 Series. ISO 14001 certification can
A harmful substance produced by burning polyvinyl chloride, table salt, and other substances containing chlorine under inappropriate conditions. It has been noted as an endocrine disrupter,
Waste generated during chemical treatment processes. Since it contains phosphorus, nickel, and other inorganic substances, it cannot be burned. It is disposed of in controlled type landfills
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