12

Al

Aluminum
26.9815386 (8)
 Historical Information

The ancient Greeks and Romans used alum in medicine as an astringent, and in dyeing processes. In 1761 de Morveau proposed the name "alumine" for the base in alum.

Basic Information Shells
  • Name:Aluminum
  • Symbol: Al
  • Atomic number: 13
  • Atomic weight:26.9815386 (8)
  • Standard state: solid at 298 K
  • Group in periodic table: 3
  • Group name: none
  • Period in periodic table: 3
  • Block in periodic table: p-block
  • Classification: Metallic
 aluminum
Uses Trivia
  • cans and foils
  • kitchen utensils
  • outside building decoration
  • industrial applications where a strong, light, easily constructed material is needed

Pure aluminium is soft and lacks strength, but alloys with small amounts of copper, magnesium, silicon, manganese, and other elements have very useful properties.