Vital Facts About Oxygen


April 6. 2021

By Vaibhavi Dahake

Oxygen is an element that keeps much of life on earth humming. We need this vital element to survive, but how much do you know about Oxygen. Here are some interesting facts about oxygen...


Oxygen is atomic number 8 with the element symbol O. Oxygen is composed of two oxygen atoms which join to form dioxygen (O2), a colorless, tasteless, odorless gas.



Earth has been oxygenated for about 2.3 billion to 2.4 billion years according to a study done by NASA. And Oxygen makes up 21% of Earth’s atmosphere.


 Oxygen can be found in water, plants, animals as a compound and it can be found in much of the solid material that makes up the earth.


Oxygen does not burn and is not flammable, however it does support combustion and is required for fire.


Excited oxygen is responsible for the bright red and yellow-green colors of the aurora.


Too much oxygen is harmful for us and causes a condition called the bends which is a particular problem for astronauts and scuba divers. i which tiny bubbles in the blood which can be painful and sometimes deadly.


300 million years ago when oxygen levels were 30% of the atmosphere,, insects grew bigger.  Dragonflies were once as big as birds!

We can run out of Oxygen. If we cut down too much of the world’s forests and kill too much plant life in the oceans. So, take care of the environment around you.


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