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facts about Helium

Helium

Helium

Helium

Helium, the nonmetal periodic element number 2

class, substance, periodic element, nonmetal, gas, Noble gas, Chemicals, medical concept
Atomic Number, Atomic number
2
State
gas
Symbol, Chemical Symbol
"He"
Atomic mass, Atomic Mass
4.002602 unified atomic mass units
Class
▶
gas, Noble gas, nonmetal, Chemicals, periodic element,  …
Parent Class
Noble gas, nonmetal, periodic element, substance
Discovered
1895
Wikipedia Page
http://en.wikipedia.org/wiki/Helium
Providers
iParty
Experts
Norman Lockyer, Willem Hendrik Keesom, Heinrich Kayser
CAS Code
"7440-59-7"
Ranking
second, periodic element and ordering by number of protons
Related Object
Uzai
Wordnet Synset ID
"114639921"
Density
0.0001785 grams per cubic cm
Atomic Weight
4.002602
Boiling Point
-268.93 degrees celsius (-452.07 degrees fahrenheit)
Freebase ID
"/guid/9202a8c04000641f80000000045be4e9"
OpenCyc ID
"Mx4rvVjAYZwpEbGdrcN5Y29ycA"
DBPedia URI
http://dbpedia.org/resource/Helium
Melting Point
-272.2 degrees celsius (-458 degrees fahrenheit)
Related Websites
▶
http://www.periodicvideos.com/videos/002.htm, http://www.du.edu/~jcalvert/phys/helium.htm, http://www.phys.unsw.edu.au/PHYSICS_, http://www.lancs.ac.uk/depts/physics/research/condmatt/ult/index.html, http://boojum.hut.fi/research/theory/helium.html,  …
Mesh ID
"D006371"
Diseases DB id
"30881"
Aliases
"helium", "he"
Freebase Primary MID
"/m/025rt79"
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External web pages (using standard web search):

10 Helium Facts - Quick Facts about Helium
Here are ten quick facts about the element helium.
http://chemistry.about.com/od/elementfacts/a/10-helium-facts.htm
Facts about helium
Facts about helium Helium the element. Atomic Symbol: He. Atomic Number: 2. The name is from the Greek "helios" which means "sun". Helium can be cooled enough to liquefy it ...
http://www.balloon-printing.com/FunStuff_Filler/facts_about_helium.htm
Facts about HELIUM ***
Info and Facts about the element Helium from the Periodic Table. Interesting Facts, information about Helium the element. Concise facts and info about Helium
http://www.facts-about.org.uk/science-element-helium.htm
Facts About Helium
Helium Gas Hire from the leading Helium Gas Supplier to Schools, Clubs and Charity Fundraisers. We Hire a Full Range of Helium Gas Cylinders at very competitive prices.
http://www.heliumuk.co.uk/Facts-About-Helium.html
Helium Facts - Periodic Table of the Chemical Elements Entry for ...
Get facts on the chemical and physical properties of the element helium.
http://chemistry.about.com/od/elementfacts/a/helium.htm

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