While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts: So, here I have an empty pop can. This is made of aluminium. Aluminium is an element.
Aluminum is a metal in group IIIA of the periodic table with atomic number 13, an atomic weight of 26.982, and a density of 2.70. It has a melting temperature of 660 C. The electronic configuration of ...
The table below shows the example of Gallium, which Mendeleev called eka-aluminium, because it was the element after aluminium. Scandium and Germanium were the other two elements discovered by 1886, ...