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Chlorine is a chemical element; it has symbol Cl and atomic number 17. ... Chlorine gas was also used during the Iraq War in Anbar Province in 2007, ...
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols, normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.
The suggestion that this newly discovered gas was a simple element was made in 1809 by Joseph Louis Gay-Lussac and Louis-Jacques. This was confirmed in 1810 by Sir Humphry Davy, who named it chlorine, from the Greek word χλωρός (chlōros), meaning "green-yellow". Chlorine is a component of many other compounds.
Breathing in chlorine at a concentration of 500 parts per million for a few minutes is lethal. In addition, breathing in chlorine gas is highly painful because of its corrosive properties. Hydrochloric acid is the acid of chlorine, while relatively nontoxic, it is highly corrosive and releases very irritating and toxic hydrogen chloride gas in ...
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.
From January 2008 to December 2012, if you bought shares in companies when Klaus S. Luft joined the board, and sold them when he left, you would have a -58.4 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
From January 2008 to December 2012, if you bought shares in companies when Claes Dahlbäck joined the board, and sold them when he left, you would have a -40.6 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
For example, the relative atomic mass of chlorine is 35.453 u, which differs greatly from a whole number as it is an average of about 76% chlorine-35 and 24% chlorine-37. Whenever a relative atomic mass value differs by more than ~1% from a whole number, it is due to this averaging effect, as significant amounts of more than one isotope are ...