哥伦布,俄亥俄州附近的结果 ·
  1. 查看更多
    查看更多
    前往 Wikipedia 查看全部内容
    查看更多

    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. … 展开

    Isotopes
    Of aluminium isotopes, only Al is stable. This situation is common for elements with an odd atomic number. It … 展开

    History 图像
    Etymology 图像

    Space
    Aluminium's per-particle abundance in the Solar System is 3.15 ppm (parts per million). It is the twelfth … 展开

    The names aluminium and aluminum are derived from the word alumine, an obsolete term for alumina, the primary naturally occurring 展开

    Metal
    The global production of aluminium in 2016 was 58.8 million metric tons. It exceeded that of any other … 展开

    Chemistry 图像
    概览 图像
    Natural occurrence 图像

    Aluminium combines characteristics of pre- and post-transition metals. Since it has few available electrons for metallic bonding, like its heavier 展开

    Production and refinement 图像
    Applications 图像

    The history of aluminium has been shaped by usage of alum. The first written record of alum, made by Greek historian Herodotus, dates back to the 5th century BCE. The ancients are … 展开

    The production of aluminium starts with the extraction of bauxite rock from the ground. The bauxite is processed and transformed using the Bayer process into alumina, … 展开

    CC-BY-SA 许可证中的维基百科文本
  2. 铝 - 维基百科,自由的百科全书