Gold, Silver, Oxygen, and Hydrogen are not compounds because they are all elements.Sources- Science book. ^_^P.S- This better have helped!
Oxygen is a gas composed of oxygen molecules. A stable oxygen molecule is made from two oxygen atoms, represented as O2.
Oxygen is produced as a by-product of photosynthesis.
The isotope oxygen-15 is radioactive.
Oxygen
Oxygen, Fuel, and Heat _says my 8th grader from his science book
Look in you book you dip!
Spiders
Look in you book you dip!
Look in you book you dip!
Look in you book you dip!
Look in you book you dip!
Look in a science book or at Yahoo awnsers....
Book Lungs
Glucose and Oxygen and a large number of hormones in the cell cytoplasm
For the hydrogen atoms the oxidation state is 1+, for the oxygen it is 2-
oxygen makes blood red go read a science book