N


 * Name: Nitrogen

Origin of name:** From the Greek words "nitron genes" meaning "nitre" and "forming" and the Latin word "nitrum".


 * Discovered by:** Daniel Rutherford


 * Date of Discovery:** 1772


 * Isotopes:** Two stable isotopes 14N (abundance 99.63 percent) and 15N (abundance 0.37 percent)


 * Group:** 5 (Nonmetal)


 * Atomic Weight:** 14


 * Number:** 7


 * Symbol:** N

The sound you hear when you crack your knuckles is actually nitrogen gas bubbles popping! (http://wiki.answers.com/Q/What_Are_some_Interesting_Facts_About_Nitrogen)
 * Interesting Fact:**

(http://www.chemistryexplained.com/Ne-Nu/Nitrogen.html)
 * Visual that represents this element:**

media type="youtube" key="zmvJ54kRpjg" height="385" width="480"
 * Multimedia that represents this element:**

Using Liquid Nitrogen to Explore Properties of Matter**
 * What lesson or lab would you use to illustrate this element to a class?