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en.wikipedia.org/wiki/Transition_metal

In chemistry, the term transition metal (or transition element) has three possible meanings: The IUPAC definition defines a transition metal as "an element whose atom has a partially filled d sub-shell, or which can give rise to cations with an incomplete d sub-shell". Many scientists describe a "transition metal" as any element ...

chemed.chem.purdue.edu/genchem/topicreview/bp/ch12/trans.php

The elements in the periodic table are often divided into four categories: (1) main group elements, (2) transition metals, (3) lanthanides, and (4) actinides. The main group elements include the active metals in the two columns on the extreme left of the periodic table and the metals, semimetals, and nonmetals in the six ...

hyperphysics.phy-astr.gsu.edu/hbase/pertab/tranel.html

Transition Elements. The transition elements are those elements having a partially filled d or f subshell in any common oxidation state. The term "transition elements" most commonly refers to the d-block transition elements. The 2B elements zinc, cadmium and mercury do not strictly meet the defining properties, but are ...

www.chemicalelements.com/groups/transition.html

The 38 elements in groups 3 through 12 of the periodic table are called " transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat. The interesting thing about transition metals is that their valence electrons, or the electrons they use to combine with other ...

www.khanacademy.org/science/chemistry/periodic-table/copy-of-periodic-table-of-elements/v/periodic-table-transition-metals

The definition of a transition metal, and how to write the electron configuration including examples for Fe and Zn.

www.chemguide.co.uk/inorganic/transition/features.html

Explains what a transition metal is and looks at the general features of their chemistry.

www.britannica.com/science/transition-element

Transition element, any of various chemical elements that have valence electrons —i.e., electrons that can participate in the formation of chemical bonds—in two shells instead of only one. While the term transition has no particular chemical significance, it is a convenient name by which to distinguish the similarity of the ...

www.thoughtco.com/transition-metals-606664

Sep 5, 2017 ... Here's a list of transition metals. Learn about the characteristics and common properties of the transition metal element group.

www.chem4kids.com/files/elem_transmetal.html

Chem4Kids.com! This tutorial introduces transition metals of the periodic table. Other sections include matter, elements, reactions, and biochemistry.