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Chemical Elements

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1. About oxygen:

2. Discovery:

3. What would happen without Oxygen:

6. Facts


4. Description and properties:

The credit for discovering oxygen is now shared by three chemist: Joseph Priestley,Carl Wilhelm and Antoine Lavoisier. Joseph Priestley and Carl Wilhelm both independently discovered oxygen, but Joseph is usually given credit for the discovery because he was the first to publish an account of oxygen, having made it in 1774

1. About Oxygen -The name oxygen comes from the Greek 'oxy genes', meaning acid forming. -The symbol is O -The Atomic number is 8 - The Atomic mass is 15.9994 - The Mass number is16 (Atomic mass rounded)- The number of Electrons is 8 (Mass # - Atomic #)-The number of Neutrons is 8 (Mass # - Aomic #)- The number of Protons is 8 (it is possitively charged there for the # of electrons, neutrons and protons are all equal)

- Oxygen is a colorless gas that makes up 21 percent of Earth's atmosphere. -Approximately 2/3 of the mass of the human body is oxygen.- The name oxygen was created by Antoine Lavoisier who incorrectly believed that oxygen was necessary to form all acids.

Physical properties:melting point: 218.79°C or 361.82°Fboiling point: 182.962°C or 297.332°Fdensity: 0.001308abundance in the earth's crust: oxygen is ranked 1st for the most part of the earths crust with a total of 460,000 ppm

2. You aren`t able to see it but oxygen is everywhere in our everyday use, without it everything and everyone would die. Without oxygen in the world nothing would be living, earth would be semi empty. Generally all the animals and humans would no longer be living.Some environmental concerns are that the mills are intoxicating our oxygen (with pollution)

Chemical properties: (watch video)

5.Explanation of poster:

I picked to make my presentation on oxygen because why not?oxygen is an amazing gas that either kills us or keeps us alive. It can kill us by taking in too much of but at the same time,and for not taking enough in.




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