Aluminum is a chemical element with the symbol Al and atomic number 13. It belongs to the group of metals known as post-transition metals and is commonly used for various industrial purposes due to its lightness and resistance to corrosion.
Related terms
Atomic Number: The number representing the total number of protons in an atom's nucleus.
Electron Configuration: The arrangement of electrons within different orbitals around an atom's nucleus.
Periodic Table: A tabular representation of all known elements arranged according to their atomic numbers and recurring chemical properties.