What is the chemical symbol for aluminum?

The chemical symbol for aluminum is "Al." This designation is derived from the element's name itself, using the first two letters as a shorthand representation in the periodic table. Aluminum, having an atomic number of 13, is a lightweight, silver-white metal commonly used in the manufacturing of various products due to its favorable properties like corrosion resistance and low density.

The other symbols refer to different elements: "Cu" represents copper, "Fe" stands for iron, and "Si" denotes silicon. Each of these elements has distinct chemical and physical properties, which are identifiable by their unique symbols in the periodic table. Understanding these symbols is crucial in chemistry, as they are used universally to communicate information about chemical substances.