Aluminium - Wikipedia
Aluminium (or aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.
Aluminum (Al) - Periodic Table
Aluminum is the 13th element in the periodic table and has a symbol of Al and atomic number of 13. It has an atomic weight of 26.98154 and a mass number of 27. Aluminum has thirteen protons and fourteen neutrons in its nucleus, and thirteen electrons in three shells.
Periodic Table - Ptable
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Aluminium - Element information, properties and uses | Periodic Table
Element Aluminium (Al), Group 13, Atomic Number 13, p-block, Mass 26.982. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Aluminum | Uses, Properties, & Compounds | Britannica
2024年9月17日 · aluminum (Al), chemical element, a lightweight silvery white metal of main Group 13 (IIIa, or boron group) of the periodic table. Aluminum is the most abundant metallic element in Earth’s crust and the most widely used nonferrous metal.
Aluminum Facts - Atomic Number 13 or Al - Science Notes and …
2021年5月10日 · Aluminum is the 13 th element of the periodic table. These aluminum facts contain chemical and physical data along with general information and history.
Aluminium - EniG. Periodic Table of the Elements
Electronegativities: 1.61. Atomic radius / pm: 143.2. Relative atomic mass: 26.981 5385 (7) Aluminium was discovered by Hans Christian Ørsted (DK) in 1825. The origin of the name comes from the Latin word alumen meaning alum. It is a soft, lightweight, silvery-white metal.
Aluminum or Aluminium Element Facts - ThoughtCo
2019年2月8日 · Aluminum Basic Facts: Symbol: Al. Atomic Number: 13. Atomic Weight: 26.981539. Element Classification: Basic Metal. CAS Number: 7429-90-5. Aluminum Periodic Table Location. Group: 13. Period: 3. Block: p. Aluminum Electron Configuration. Short Form: [Ne]3s 2 3p 1. Long Form: 1s 2 2s 2 2p 6 3s 2 3p 1. Shell Structure: 2 8 3. Aluminum Discovery.
Aluminum - Periodic Table
Aluminum - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.
Aluminium (Al) - Periodic Table
Aluminium is a chemical element of the periodic table with chemical symbol Al and atomic number 13 with an atomic weight of 26.9815 u and is classed as post-transition metal and is part of group 13 (boron group). Aluminium is solid at room temperature.