Oxygen
Physical Science
Joseph Priestley
- discovered Oxygen
- was discovered in Wiltshire, England in the year 1774
- Joseph was born on March 12, 1733 and died on February 6, 1804
- was a philosopher, chemist, theologian and an educator
- given credit for discovering oxygen for isolating it in its gaseous state
Things You Should Know About Oxygen
- Has 8 Protons, Neutrons, and Electronts
- Atomic number is 8 and its atomic mass is 15.9994
- family group is chalcogens and is in group 16, period is the second row
- Symbol is O
Physical and Chemical Properties
- Highly reactive a nonmetallic element
- colorless, odorless, tasteless
- formula 02
- soluble in water
- Has 9 isotopes, and mixture of 3 isotopes
- forms about 21% of the atmosphere
- third most abundant element found in the sun
Where is Oxygen Found? What is it used for?
- found in water, plants, animals, and soil
- to breathe
- used to make acid, sulfuric acid, nitric acid
- most important of all elements to life
- makes up one-half of earths crust
- doesn't bur but supports combustion
Random Fact
- Carl Scheele also discovered oxygen independently
- Born December 9,1742 died May 21, 1786
- pharmaceutical chemist
Electron Cloud
- Informal term for physics
- Describe where electrons go around the nucleus
Oxygen Tanks
- For old people who are unable to breathe
- Or if you're unable to breathe use this
Electron Dot Diagram
- Oxygen method for writing a chemical symbol
- Indicates the number of valence electrons