THE OXYGEN.
Is oxygen O2 or just O?
Why is oxygen written as O2? The difference between oxygen (O) and oxygen (O2 )is that the former is an oxygen atom while the latter consists of two O atoms bound together, forming a molecule also called oxygen. Oxygen is usually found as a diatomic gas. Therefore, we write it as O2.
Why Oxygen is a gas?
Oxygen remains in gaseous state at normal temperature and pressure. The particles of oxygen move randomly in all directions due to less inter particular force and high kinetic energy. They do not have a fixed shape or volume. ... Hence oxygen is called gas.
What are 5 facts about oxygen?
Here are 10 interesting facts about the element oxygen.
Animals and plants require oxygen for respiration. ...
Oxygen gas is colorless, odorless, and tasteless. ...
Liquid and solid oxygen is pale blue. ...
Oxygen is a nonmetal. ...
Oxygen gas normally is the divalent molecule O2. ...
Oxygen supports combustion.
By Anne Marie Helmenstine, Ph.D.
Updated August 20, 2019
Oxygen is one of the best-known gases on the planet, largely because it is so important for our physical survival. It is a crucial part of Earth's atmosphere and hydrosphere, it's used for medical purposes, and it has a profound effect on plants, animals, and metals
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