![]() ![]() The transition elements may be classified based on the electronic structures of their atoms into three main transition series: the first, second, and third transition series, and two inner transition series, called the lanthanoids and the actinoids. Read more about the Atomic Structure of the Periodic Table Classification of transition metals Example of the central roles that transition metal play in the human, animal and plants are endless. Iron can be seen as the most common and important transition metal that has many function in living systems oxygen transport and electron transfer reactions just to cite two of them.Ĭobalt is present in the vitamin B12, which is essential in humans, Vanadium is present in high concentrations in blood cells of some fish. Some of the transition elements are important to the biochemistry of life.The most familiar examples being iron and cobalt. Finally, most of these elements dissolve in mineral acids, although a few, such as platinum, silver, and gold, are called “noble”-that is, are unaffected by simple (non oxidizing) acids. The transition elements form many useful alloys with one another and with other metallic elements. Many of the elements are technologically important: titanium, iron, nickel, and copper, for example, are used in almost any electrical technology component.
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