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Transition Metals

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What are Transition Metals? Define Transition Metals
Transition Metals is used as a term in Periodic Chemistry when classifying the chemical elements. Each element can usually be classified as a metal or a non-metal based on their general Chemical and Physical Properties.

Transition Metals are any of the metallic elements within Groups 3 to 12 in the Periodic Table (see the List of Transition metals) that have an incomplete inner electron shell and that serve as transitional links between the most and the least electropositive in a series of elements.

What are Transition Metals? Common Properties of Transition Metals
All the transition metals have two electrons in their outermost shell, and all but zinc, cadmium, and mercury have an incompletely filled inner shell.

Terms including multiple valences (because of their incomplete inner shells), high melting points, colored compounds, and the ability to form stable complex ions and alloys describe some of the properties of transition metals. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.

Elements classified as Transition Metals
The elements classified as "Transition Metals" are located in Groups 3 - 12 of the Periodic Table. Elements classified as Transition Metals are generally described as ductile, malleable, and conduct electricity and heat - but there are some exceptions.

Common properties of Transition Metals
The elements classed as transition metals generally have the following properties in common:

  • Good conductors of heat and electricity
  • Easily hammered or bent into shape
  • Usually hard and tough
  • High densities
  • High melting points - but mercury is a liquid at room temperature
  • Form coloured compounds

Transition Metals - Chemical Elements in the Periodic Table
The elements contained in the classification of Transition Metals list are as follows:

Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Yttrium
Zirconium
Platinum
Gold
Mercury
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Ununbium
Niobium
Iridium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
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