Neon
Published on Nov 19, 2015
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
Untitled Slide
- Symbol: Ne
- Group in periodic table: 18
- Group name: Noble gas
- Classification: Non-metallic
- Atomic Number: 10
Untitled Slide
- First ionisation energy: 2080.7 kJ mol-1
- Second ionisation energy: 3952.3 kJ mol-1
- Melting Point: -248.6 °C
- Boiling Point: -246.1 °C
- Atomic Weight: 20.1797
Untitled Slide
- Neon was discovered by Sir William Ramsay and Morris Travers
- In 1898, London England
- Origin of name: from the Greek word "neon" meaning "new"
- Neon was the second of these three rare gases to be discovered,
- Neon is completely non-toxic and chemically inert, so it poses no threat to the environment.
Untitled Slide
- new element from its bright red emission spectrum.
- Neon gives a distinct reddish-orange glow
- neon has the narrowest liquid range of any element
- Liquid neon has over 40 times more refrigerating capacity
- Than liquid helium
Untitled Slide
- Neon is a rare gaseous element
- it is present in the atmosphere to the extent of 1 part per 65,000 of air
- Neon is used in lightning arrestors, television tubes, high-voltage indicators, and wave meter tubes
- The largest use for neon gas is in advertising signs.
- Neon is tasteless and odorless.
