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Element Facts

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Element Facts

Snemalna Knjiga Opis

element chart - elements chart, atomic theory, atomic mass, atomic number

Snemalna Knjiga Besedilo

  • Zdrs: 1
  • Al
  • Atomic Number: 13Atomic Mass: 27 (also has a natural isotope with an atomic mass of 26) Number of Protons: 13Number of Neutrons: 14Number of Electons: 13
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  • Zdrs: 2
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  • Zdrs: 3
  • - Aluminum ore is known as bauxite.- Electrolysis is used in the purification of aluminum.- It is the second most abundant metallic element in the Earth's crust after silicon.- Aluminum oxidizes very easily and pieces of aluminum are normally coated with a layer of aluminum oxide. - The metal was first extracted by Hans Christian Ørsted in 1825.
  • Zdrs: 4
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  • Density: 2.7g/cm3Boiling Point: 2470oC (4478oF)Melting Point: 660.3oC (1220.58oF)Isotopes: 22
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  • Zdrs: 5
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  • Low densityGood conductorNot very reactive due to the thin layer of aluminum oxide on the surface
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  • Zdrs: 6
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