Oxygen
"O" well that escalated quickly
Basics:
Symbol: O
Atomic Number: 8
Atomic Weight: 15.9994
Group: 16
Period: 8
Color and Classification: Gas: no color, liquid: pale blue
Non- metal
One fifth of the atomosphere, the third most abundant element in the sun, takes part in the Carbon- Nitrogen cycle, two thirds of the human body and nine tenths of water. This element is odorless and tasteless, which is also thankful for the yellow- green and bright red colors in the aurora. Oxygen is a thermal conductor and not reflective, velocity of sound: 317.5 ms-1, density: 1495 kg m-3
HistOry
Founder(s): Jospeh Priestly and Carl Scheele in England and Sweden 1774
Greek: Oxy- Acid (sharp) Gene- Forming
Air used to be its own element!
Uses
Oxy- acetylene welding
Aid respiration of patients
Making methanol and ethane oxide
Rocket fuel
Steel manufacture
Protection against sun's rays (ozone)
and breathing :)