The elements that lie between group 2 and group 13 are often referred to as the d-block elements. In this topic, we will concern ourselves with the elements of the third period: scandium to zinc. The ...
Group 7 of the periodic table is something of an oddity. When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese ...
One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including gemstones and paint pigments. Even the colour of blood comes from the protein ...
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