1. Oxygen Family Morgan Robison, Alex Hancock, Mackenzie Koski

2. Elements of the Oxygen Family Oxygen(O) Oxygen(O) Sulfur(S) Sulfur(S) Selenium(Se) Selenium(Se) Tellurium(Te) Tellurium(Te) Polonium(Po) Polonium(Po)

3. Valence Electrons All of the outer rings have 6 valence electrons. All of the outer rings have 6 valence electrons. Oxygen atom Oxygen atom

4. Uses Oxygen- used for living things to breath, also used in welding, also, scientists use oxygen isotopes 16 and 18 in skeletons to find our what the climate was like thousands of years ago. Oxygen- used for living things to breath, also used in welding, also, scientists use oxygen isotopes 16 and 18 in skeletons to find our what the climate was like thousands of years ago. Sulfur-is turned into sulfuric acid and manufactured for fertilizers and also found in batteries. Sulfur-is turned into sulfuric acid and manufactured for fertilizers and also found in batteries. Selenium-is sensitive to light and is also a semi- conductor. Selenium-is sensitive to light and is also a semi- conductor. Tellurium-is used for tinting glass and for ceramics. Tellurium-is used for tinting glass and for ceramics. Polonium-used in anti-static brushes to remove negatives and prints. Polonium-used in anti-static brushes to remove negatives and prints.

5. Facts Oxygen was discovered in 1774 by Joseph Priestly. Oxygen was discovered in 1774 by Joseph Priestly. Sulfur is often used in matches. Sulfur is often used in matches. Selenium is obtained primarily as a by- product of electrolytic copper refining. Selenium is obtained primarily as a by- product of electrolytic copper refining. Tellurium was discovered by Franz-Joseph Muller von Reichensteinin 1782. Tellurium was discovered by Franz-Joseph Muller von Reichensteinin 1782. Polonium is very rare and is a highly radioactive metal. Polonium is very rare and is a highly radioactive metal.

6. Oxygen

7. Sulfur

8. Selenium

9. Tellurium

10. Polonium