Oxygen

Oxygen By: Johanna Mondragon, and Kristen Clay ​​​

I nfo about oxygen
 * The symbol for **__Oxygen__** is 0 and the atomic number is 8.z
 * The number of Protons, Neutrons, and Electrons in **__Oxygen__** is 8.
 * The melting point for **__Oxygen__** is -218.4 and the boiling point is -183.0. [[image:http://www.treehugger.com/canned-oxygen.jpg align="right"]]
 * The normal phase for **__Oxygen__** is gas.
 * The cost of **__Oxygen__** is 3 cents for 100 grams.

Classification History
 * The classification for **__Oxygen__** is nonmetal.
 * __**Oxygen**__ belongs to the chaleogen family.
 * **__Oxygen__** comes from the Greek word oqus which means acids and the word gennan which means generate.
 * **//__Oxygen__//** was discovered by Carl Wilhelm Schellein in Sweden in 1771.

Interesting facts
 * Right now we are breathing 78% **__O//xygen//__**.
 * Humans inhale more than 6 billion tons of //__**Oxygen**__ in only 1// year
 * The reason your blood is bright red is because of __**O//xygen//**__.
 * __**Oxygen**__ is the most abundant element in the earths crust.
 * Animals, Humans, and plants require **__Oxygen__** to live. [[image:http://www.wired.com/images_blogs/photos/uncategorized/2007/10/09/oxygen_logo.jpg align="right"]]


 * **//__Oxygen__//** is tasteless odorless, and colorless.
 * **//__Oxygen__//** provides us 90% of our energy.
 * **//__Oxygen__//** is non-toxic
 * You have to have **__Oxygen__** to have fire!!!!!!!!


 * The concentration of **__Oxygen__** in our blood is 60-70% on average.
 * **__Oxygen__** is a highly reactive element and is capable of combining with most other elements.
 * Liquid **__Oxygen__**, when combined with liquid hydrogen, makes an excellent rocket fuel.
 * You are breathing right now at this moment!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


 * **__Oxygen__** is also a component of hundreds of thousands of organic compounds.
 * **__Oxygen__** is the reason there is auroras in the Northern Hemisphere.
 * **__Oxygen__** can also form a molecule of three atoms, which is known as ozone (O3).
 * About 2/3 of the human body has **__Oxygen__** or **__Oxygen__** cells on them.


 * Early in our planet's history, the atmosphere had almost no **__Oxygen__**.
 * __**Oxygen**__ is very reactive, so **__Oxygen__** atoms are incorporated into many common chemical compounds, such as water (H2O), carbon dioxide (CO2), carbon monoxide (CO), sulfur oxides (SO2 and SO3), and nitrogen oxides (NO and NO2).
 * __**Oxygen**__ makes 21% of the volume of the earth's atmosphere.
 * Too much **__Oxygen__** is toxic.

Bibliography
 * We breathe in **__Oxygen__** so that it can react with energy stores in our bodies to provide the heat and motion that keeps us alive, and we return it to the atmosphere as carbon dioxide.

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