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 ...
because it was the element after aluminium. Scandium and Germanium were the other two elements discovered by 1886, and helped to cement the reputation of Mendeleev’s periodic table. The final triumph ...
Atoms of non-metal elements gain electrons in some of ... See the study guide on groups in the periodic table for more information.
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