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What are the atomic numbers of Helium?

Helium

Helium

2
wikipedia
List anyone or anything that is the atomic number (the number of protons found in an atom) of the element Helium, the nonmetal periodic element number 2 at any time in history.
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External web pages (using standard web search):

Helium - Wikipedia, the free encyclopedia
Because of helium's relatively low molar (atomic) mass, its thermal conductivity, specific heat, and ... although factors in saving and processing impact effective reserve numbers.
http://en.wikipedia.org/wiki/Atomic_number_2
Atom - Wikipedia, the free encyclopedia
For atoms with low atomic numbers, a nucleus that has a different number of protons than ... Consequently, the smallest atom is helium with a radius of 32 pm, while one of the ...
http://en.wikipedia.org/wiki/Atom
What is the atomic number of helium
The atomic number of helium (He) is 2. The atomic weight of He is 4.002602 grams per mole. ... What are the names and atomic numbers and atomic weights and symbols of all the elements
http://wiki.answers.com/Q/What_is_the_atomic_number_of_helium
periodic table: Definition from Answers.com
Chemistry A tabular arrangement of the elements according to their atomic numbers so that ... There is only one exception to this: helium, in Group 8 (the noble gases), has a ...
http://www.answers.com/topic/periodic-table
noble gas: Definition from Answers.com
The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Their atomic numbers are, respectively, 2, 10, 18, 36, 54, and 86.
http://www.answers.com/topic/noble-gas

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