telling us that non-metal oxides are acidic. Metals are found on the left and in the middle of the periodic table. close periodic tableA table which lists all of the chemical elements. A line of ...

Nilson named this oxide scandia, after Scandinavia. The discovery of this element was especially notable, as, seven years previously, Mendeleev had used his periodic table to predict the existence of ...

Bismuth, the 83rd element in the periodic table, has been known since ancient ... and bismite (bismuth oxide), but also occurs in its elemental state, in the form of crystals with an oxide layer ...