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by ColeMerrill
Last updated 6 years ago

Chemical Elements

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Helium was discovered by Pierre Janssen & Norman Lockyer in 1895.


The Density of Helium is 0.0001785 grams per cubic centimeter.

Helium's abundace:% in universe-23%,% in Earth's Crust-0.00000055%,% in the Human body- None.

More Interesting Facts: Most helium is extracted from natural gas, Evidence of helium's existence came from observation of a yellow spectral line from the sun.

Melting Point:−457.96 °F Boiling Point:−452.070 °F

The Element Symbol is HE.The Atomic Mass of Helium is 4.00. It has 2 protons and 2 electrons in it's nucleus. It also has 2 neutrons in it's nucleus.

Interesting Facts About Helium:Helium is the 2nd most abundant element in the universe, Helium was discovered in the Sun's atmosphere before it was found on earth.

By: Cole Merrill


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