Helium
Second Most Abundant Element
Noble Gas
Helium is a noble gas that is unreactive, colorless, and odorless. Helium glows pale peach when an electric current runs through it.
Uses of Helium
- Helium is used in balloons to lift them in the air.
- Helium is used to cool superconducting magnets in MRI scanners.
- Helium is used to make rocket fuel by condensing hydrogen and oxygen.
- Helium is used to detect leaks in high-vacuum and high pressure equipment.
Discovered and Named
Pierre Jules Cesar Janssen
Discovered a bright yellow line while observing the solar eclipse.
Sir Norman Lockyer
Name the element with the Greek word for the Sun.
Sir Walter Ramsay
Discovered helium on earth in clevite.
Element named for the Sun
Basic Information
Atomic Number = 2
Atomic Weight = 4.002602
Melting Point = -458 degrees fahrenheit
Boiling Point = -452.07 degrees fahrenheit
Period 1
Group 18
We are Lighter Than Air
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