[2015] Annie Chadd: Helium, He

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Last updated 4 years ago

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Discipline:
Science
Subject:
Chemistry
Grade:
8

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[2015] Annie Chadd: Helium, He

Helium is in the first period on the periodic table of elements

The United States National Helium Reserve controls 30% of the world's current helium supply, and the Reserve is expected to run out of helium by 2018.

What is Helium? Where is it found? What is it used for? Watch this Video!

Helium was discovered in 1868 by Pierre Janssen and Norman Lockyer.

Helium

4.00260

Inhaling helium temporarily changes the sound of a person's voice.

Helium can causeFrostbiteDizzinessHeadacheDullness Suffocation

Helium is generated underground by the radioactive decay of heavy elements such as uranium and thorium.

Enter a higher state with Helium!

2

Melting Point: -458°FBoiling Point: −452.070°F

^Helium Discharge Tube^

Normal phase of helium is gas

The average cost of helium$0.02 per gram$0.49 per ounce$7.21 per pound


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