|
WordNet-Online
| ||||
Definitions from the WebChemical SymbolsDescription: Chemical symbols are shorthand notations used to represent elements in chemistry. Each chemical symbol is a unique combination of letters and sometimes numbers that provide a concise way to identify an element. These symbols are widely used in various chemical equations, formulas, and notations. Sense 1: In chemistry, chemical symbols are used as abbreviations for element names. For example, "H" represents hydrogen, "Na" represents sodium, and "O" represents oxygen. Sample Sentence 1: The chemical symbol for gold is "Au" which originated from its Latin name "aurum." Sense 2: Chemical symbols are also used to denote isotopes, which are variants of an element with different numbers of neutrons. Isotopes are represented by separating the chemical symbol with a hyphen and adding the atomic mass. For instance, "Na-23" represents the isotope of sodium with an atomic mass of 23. Sample Sentence 2: Hydrogen has three isotopes: "H-1," "H-2," and "H-3." Sense 3: Additionally, chemical symbols are used to represent chemical compounds in formulas and equations. This includes not only elements but also molecules and ions. Sample Sentence 3: The chemical formula for water is "H2O," where "H" stands for hydrogen and "O" stands for oxygen. Usage: Chemical symbols are extensively employed in academic and professional settings within the field of chemistry. They are essential for accurately conveying chemical information, conducting experiments, and studying reactions. Related Products on Amazon: | ||||
chemical process chemical properties chemical property chemical reaction chemical reactor chemical reagent chemical science chemical structure chemical symbols chemical tanker chemical terrorism chemical warfare chemical weapon chemical weapons convention chemical weathering chemically chemicalreagent
|