Aluminum | Name | Aluminum | | Symbol | Al | | Atomic Number | 13 | | Atomic Mass | 26.982 atomic mass units | | Number of Protons | 13 | | Number of Neutrons | 14 | | Number of Electrons | 13 | | Melting Point | 660.37° C | | Boiling Point | 2467° C | | Density | 1.738 grams per cubic centimeter | | Normal Phase | Solid | | Family | Other Metals | | Period | 3 | | Cost | $1.32 per pound (2007) | | Origin of Name | From the Latin word alumen | | Date of Discovery | 1825 in Copenhagen, Denmark | | Discovered by | Hans Christian Ørsted | | Common Compounds | - Aluminum oxide (Al2O3).
- Potassium aluminum sulfate (KAl(SO4)2·12H2O)
| | Interesting facts | - It's never found free in its natural state.
- It's the third most common of all the elements found in the earth's crust (oxygen and silicon being found more).
- It does not rust and doesn't easily react to weather conditions or chemicals.
| | Common Uses | - Cans and containers
- Foil wrap
- Buildings
- Electrical transmission lines
- Aircraft and space crafts
- Coating to transfer light or radiate heat
- Glass production
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