THE
CHEMISTRY
AND
USES
Of
Oxygen (O2)

Ali Mousavi
11 G

Properties and bonding in oxygen
Oxygen In normal conditions is a colourless, odourless and insipid gas, oxygen is as light blue liquid when it condensates. 1

Atomic number
Atomic mass Electro negativity
Density Melting point
Boiling point
Isotopes it exists in

8 15.999 g.mol -1
3.5
1.429 kg/m3 at 20°C
-219 °C
-183 °C
3

Oxygen is a reactive element and it forms oxides with all other elements except the noble gases (helium, neon, argon, and krypton). (To be explained more in next page) 1
Oxygen is placed in group 6A in the periodic table, which means they need two more electrons to complete a stable electron octet. In this group electro negativity decreases as atomic mass increases. Oxygen is more electronegative than any element except fluorine. 1

Oxygen, bonds with itself to form 2 bonds between the atoms (since each atom needs to share 2 electrons). 3
This is the Lewis......

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Title: Ethanol
Approximate Word Count: 1904
Approximate Pages: 8 (250 words per double-spaced page)

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