What is the second noble gas?

Answer 1

The seventh noble gas is ununoctium, though it is also called eka-radon or simply element 118. It is a synthetic element that scientists created in the lab. It is radioactive and unstable, so it degrades quickly- within minutes. Because of this, its properties have not been observed extensively. However, some scientists theorize that though ununoctium is in Group 18 of the Periodic Table-- the group for noble gases-- it may not in fact be a noble gas. Calculations indicate that this element may be a solid at room temperature.

For more information on ununoctium, try these links:

http://www.webelements.com/ununoctium/

http://159.93.28.88/linkc/118/anno.html

http://query.nytimes.com/gst/fullpage.html?res=9B07E7DB1E30F934A25753C1A9609C8B63

Answer 2

The second noble gas is Neon (Ne). The noble gases are chemical elements with similar properties: they are odorless, colorless, monatomic gases with low chemical reactivity except under particular conditions. Neon has about 2/3 the density of air, it is chemically inert, and it forms no uncharged chemical copounds. It has a bright orange-red glow when placed in a high voltage electric field, which is why it is used in glow lamps or advertising signs.

Answer 3

The second noble gas is helium, with the atomic number 2. It is colorless, odorless, and commonly used in various applications such as balloon filling and cryogenics.

Answer 4

Neon

Answer 5

(Ar) Argon