Oxygen is a chemical element with symbol O and atomic number 8. It is a
member of the chalcogen group on the periodic table and is a highly reactive
Dry air is 21 percent oxygen, 78 percent nitrogen and 1 percent other gases. 2.
Oxygen does not burn – honestly! It does, however, support the combustion of ...
Oxygen makes up around 21% of the air you breathe. It is also the most common
element in the Earth's crust (around 47%) and the third most common element ...
Oxygen (O) has an atomic number of eight. This odorless, colorless gas has eight
protons in the nucleus, and is pale blue in its liquid and solid states.
oxygen gaseous chemical element; symbol O; at. no. 8; at. wt. ... Encyclopedia.
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Kids learn about the element oxygen and its chemistry including atomic weight ...
Plus properties and characteristics of oxygen. ... Interesting Facts about Oxygen.
But did you know, Oxygen only makes up 21 percent of Earth's atmosphere? ...
Let's explore the world of Oxygen further to see what other airy facts we can ...
You're breathing right now and your body is taking in oxygen (O) molecules. You
need oxygen to survive, as do almost all other living organisms. It's a good ...
Feb 6, 2008 ... Oxygen has the atomic number 8. 2. Its chemical symbol is O. 3. At standard
temperature and pressure two atoms of the element bind to form ...
Interesting facts about Oxygen - Liquid oxygen is magnetic! Liquid oxygen is blue
though the beautiful blue color of the sky has nothing to do with this fact.