element chart - elements chart, atomic theory, atomic mass, atomic number
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Slajd: 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
Slajd: 2
Slajd: 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.