Oxygen is the 8th element on the Periodic Table. With an Atomic number of 8 and an atomic mass of 16, the symbol that describes Oxygen is O. Oxygen is a gas. It is known to be a highly reactive non-metallic element that could form oxides. You may be surprised to know this, but Oxygen comprises of two-third of human body's mass! Proteins, Carbohydrates or Fat found in living organism also contain Oxygen. Let's try breathing. Take a long deep breath, and let go. What is it that you just took in? You took in Oxygen.
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| Oxygen on the Periodic Table |
Where did this oxygen come from? It came from air. 20.95% of Earth's atmosphere contains Oxygen. 78.08% Nitrogen and .038% of Carbon Dioxide and the rest contains some other gases. Thus, Oxygen is a gas that our lives depend on. We can't even spend 1 minute without appropriate amount of Oxygen.
That's how big a role is played by Oxygen in our daily lives.
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