Definition Of Symbol Of An Atom A chemical symbol is a 1-, 2-, or 3-letter internationally agreed code for a chemical element, usually derived from the name of the element, often in Latin. More About Symbol of an atom Only the first letter is capitalized. For example, "He" is the ...
A chemical symbol is a one- or two-letter abbreviation for a chemical element. The only exceptions to the one-to-two-letter symbol norm are temporary element symbols assigned to represent new or to-be-synthesized elements. Temporary element symbols are made up of three letters based on the e...
a letter, figure, or other character or mark or a combination of letters or the like used to designate something: the algebraic symbol x; the chemical symbol Au. (especially in semiotics) a word, phrase, image, or the like having a complex of associated meanings and perceived as having in...
The numbers that appear as subscripts on certain symbols within the formula are used to represent how many of each particular atom are found within the chemical substance. For instance, the chemical formula for water is H2O. The subscript on the symbol for hydrogen is a two, which means ...
Chemical indicator, any substance that gives a visible sign, usually by a color change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. The indicator changes color when it reaches
Every chemical element has one or more isotopes. An atom is first identified and labeled according to the number of protons in its nucleus. This atomic number is ordinarily given the symbol Z. The great importance of the atomic number derives from the observation that all atoms with the same...
symbol [ˈsɪmbəl] N 1. (= representation)→ símbolo mshe became a symbol of hope to the downtrodden→ se convirtió en un símbolo de esperanza para los oprimidos 2. (Chem)→ símbolo m (Math)→ signo mthe chemical symbol for mercury→ el símbolo químico del mercurio Collins...
Symbol, Chemistry. indium. IN 9 abbreviation for Indiana(approved especially for use with zip code). in. 10 abbreviation for inch; inches. Discover More Word History and Origins Origin ofin-1 Middle English,Old English;in Origin ofin-2 ...
Merriam-Webster unabridged Popular in Grammar & Usage See More How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-) 'Canceled' or 'cancelled'? Why is '-ed' sometimes pronounced at the end of a word? What's the difference between 'fascism' and 'socialism'?
chemical explosive- a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck material,stuff- the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to ma...