Beginning of Essay
is (at room temperature) a greenish-yellow gas that can be readily liquefied at 5170 Tarr or 6.8 atmospheres, at 20 C (68 F), and has a very disagreeable odor. It’s Element Symbol is Cl, atomic number is 17, and atomic mass is 35.453. ’s melting point is - ....

Middle of Essay
.... to gain one electron and become a chloride ion. Chlorine strongly reacts with metals to form mostly water-soluble chlorides. Chlorine also strongly reacts with nonmetals such as sulfur, phosphorus, and other halogens. If you were to mix hydrogen and chlorine gases and keep them in a cool dark place, the mixture would be stable, but if it were exposed to sunlight, it would cause a strong explosion. If a burning candle were placed in a sealed container of chlorine, it would keep burning, and it would produce thick, black, smoke, leaving behind soot. There are five oxides that chlorine can form: chlorine monoxide; dichloride monoxide; chlorine dioxi ....