[DOC] [TLE] The Three Lightest Noble Gases | eHow [PAR] The noble gases comprise a group of six elements represented in Group 8A of 
the ... Its atomic number is 2, equal to the number of protons in its nucleus, and its
... [DOC] [TLE] Noble gas - Wikipedia [PAR] The noble gases make a group of chemical elements with similar properties; 
under standard ... Ununoctium (Uuo) is predicted to be a noble gas as well, but its 
chemistry has not yet been investigated. For the first six periods of the periodic 
table... [DOC] [TLE] Chapter 9-10 Review: KEY [PAR] What is the heaviest noble gas? What is the heaviest ... ALKALINE EARTH 
METALS NOBLE GASES. List the three lightest members of the nobie gases. He, 
Ne, Ar ... When an atom becomes an anion, what happens to its radius? 
BECOMES... [DOC] [TLE] NOBLE GASES image - Visual Dictionary Online [PAR] Highly radioactive noble gas that is used mainly in medicine (destroying ... The 
lightest of the noble gases is noncombustible and abundant in the stars; it is used
... [DOC] [TLE] Noble Gas | Noble Gas Electron Configuration | Chemistry ... [PAR] The first element of this group is Helium that contains only 2 electrons in its .... 
Helium is the lightest noble gas and its configuration is 1s2 which means only 
one... [DOC] [TLE] What are Noble Gases? : Noble Gases in the Sea : Woods Hole ... [PAR] Dec 28, 2007 ... Neon: The second lightest noble gas has the elemental symbol Ne. It is much 
less abundant in our universe than He, but it is actually about 4... [DOC] [TLE] Noble Gases - Shmoop Chemistry [PAR] Learning and teaching resource for Noble Gases written by PhD students from ... 
It's lightweight, colorless, and glows a reddish-orange in a vacuum tube. [DOC] [TLE] What is the lightest noble gas? - Quora [PAR] It would be helium. It's 4 AMU, or 4 grams per mole. Or 4*22.4=89.6 grams per 
liter of air. Air has an average of 14 grams per mole, roughly 3.5 times as large. [DOC] [TLE] Noble Gases... by Vicky S. on Prezi [PAR] 5 out of the 6 noble gases were only found on Earth, but its Helium that was also 
... two-thirds the density of air and is the second lightest noble gas after helium. [DOC] [TLE] noble gas | chemical elements | Britannica.com [PAR] Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of 
the .... than nitrogen that had been prepared by liberating it from its compounds. [DOC] [TLE] 10 Helium Facts - Atomic Number 2 on the Periodic Table - Chemistry [PAR] Helium is the second element on the periodic table, with atomic number 2 and 
element symbol He. It's the lightest noble gas. Here are ten quick facts about the
... [DOC] [TLE] Which of the noble gases is most often used in neon signs ... [PAR] Neon (Ne) is the most common noble gas used in neon signs. The term "neon 
signs" comes from its frequent use as a lighting... ... It is the second lightest noble 
gas. If placed in a vacuum discharge tube, neon has... Full Answer >. Filed Under
:. [DOC] [TLE] Noble gases facts, information, pictures | Encyclopedia.com articles ... [PAR] Get information, facts, and pictures about Noble gases at Encyclopedia.com. ... 
an element is its electron configuration, and the electrons of the noble gases are 
.... and lightweight neon lamps are found on machines ranging from computers to
... [DOC] [TLE] Structural Biochemistry/Noble Gases - Wikibooks, open books for an ... [PAR] All of the noble gases are monatomic, as opposed to other gases (i.e. H2, O2, N2, 
F2, .... It is the second lightest noble gas, and its density is only 2/3 that of air. [DOC] [TLE] Helium Highs: Creative ways to use helium | Noble Gas, Atomic ... [PAR] Helium: atomic number 2, a noble gas and the second lightest element. Helium 
takes its name from the Greek word 'helios' for sun, as it was in the

Question: It's the lightest of the noble gases
Answer: Helium