Helium Summary

Everything you need to understand or teach Helium.

  • 4 Encyclopedia Articles

Study Pack

The Helium Study Pack contains:

Encyclopedia Articles (4)

510 words, approx. 2 pages
Helium Helium is the first member of the noble gas family, the elements that make up Group 18 of the periodic table. Its atomic number is 2, its atomic mass is 4.002602, and its chemical symbol is He.... Read more
620 words, approx. 3 pages
Helium Helium, the second element in the periodic table, is the second-most abundant element in the universe after hydrogen. It is a noble gas that is unreactive (because of its filled outer electroni... Read more
1,060 words, approx. 4 pages
Helium Helium is a noble gas element denoted by the atomic symbol H. It has an atomic number of 2, and the average atomic weight of its isotopes is 4.0026. It is a colorless, odorless gas which is pre... Read more
2,356 words, approx. 8 pages
Helium Symbol He Atomic Number 2 Atomic Mass 4.002602 Family Group 18 (Viiia) Noble Gas Pronunciation HEE-lee-um Overview Helium is a member of the noble gas family. The noble gases are the elements ... Read more