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Oxygen

Chemistry project
by

Marlena Christian

on 13 April 2010

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Transcript of Oxygen

Oxygen
O
8
15.9994
Discovered by:
Joseph Priestly
Carl Wilhelm Scheele
Both independantly fiscovered oxygen but Joseph Prirdtly is ususlly given credit.
Name was created by Antoine Lavoisier
Where it can be found:
Oxygen is the 3rd most abundant element
SUN
Part in the carbon -nitrogen cycle
Takes part in the process responsible for for stellar energy production
2/3 of the human body
9/10 of water
21% of the earth's atmosphere
Group
Group name: Chalcogen
Group in periodic table: 16
Characteristics:
Electron Configuration
1s2s2p
2
4
2
How it is used
Required by most living organisms to breathe
Required for most forms of combustion
Used to produce steel
Produces extremely hot flame for welding
When combined with hydrogen makes excellent rocket fuel
Physical Description
Colorless as a gas, as a liquid pale blue
Odorless
Tasteless
Non-metal
Discovered in 1774
Interesting Facts
The word comes from the greek words oxys and genes which together mean acid forming
Oxygen is a highly reactive element
Oxygen is capable of being combined with most other elements
Oxygen can be produced throgh the electrolysis of water
Oxygen can also be produced by heating potassium chlorate
All found in copper ores
Have isotopes that very in stability
Marley Christian
Full transcript