Adopt An Element Fact Sheet
Name - Bradley Best
Element - Helium
Cost = for
Classification: Nonmetal
My element belongs to the Nobel gases family.
Origin of Name: The name is derived from the Greek ‘helios’, sun
Discovered by Sir William Ramsay in 1895
Interesting Info: May include important uses, interesting facts, common compounds, etc.
1.
It is used in deep sea diving
2.The Earth’s atmosphere contains 5 parts per million
3.A colourless, odourless gas that is totally unreactive
4.Helium has the lowest melting point of any element
5.Helium is widely used as an inert gas shield for arc welding
6.It is also used as a cooling medium for nuclear reactors
Symbol
He
Atomic Number
2
Atomic Mass
4.003
#of Protons
2
  1. of Neutrons
2
  1. of Electrons
2
Melting Point
0.95, lowest mealting point of all you adomes
Boiling Point
4.216, close to absolute zero
Normal Phase
Gas
http://chemsoc.org/viselements/pages/data/helium_data.html
http://chemsoc.org/viselements/pages/helium.html