Oxygen vs Richellite - What's the difference?
oxygen | richellite |
A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.
Molecular oxygen (O2), a colorless, odorless gas at room temperature.
* {{quote-magazine, year=2013, month=September-October, author=
, magazine=(American Scientist), title= (medicine) A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
(countable) An atom of this element.
(mineralogy) A tetragonal-pyramidal mineral containing calcium, hydrogen, iron, oxygen, and phosphorus.
As nouns the difference between oxygen and richellite
is that oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994 while richellite is a tetragonal-pyramidal mineral containing calcium, hydrogen, iron, oxygen, and phosphorus.oxygen
English
Noun
(wikipedia oxygen)Katie L. Burke
In the News, passage=Oxygen' levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste ' oxygen using solar energy. The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light.}}