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Metal Atoms
  In elemental science, a Metal Atom is any atom of an element that exhibits typical metallic properties, such as being typically shiny, with high electrical and high thermal conductivity.
In chemistry, metals are electropositive inorganic chemical elements, characterized by ductility, malleability, luster and by both electricity and heat conductance.
In physics and astrophysics, the definitions do vary from its chemistry alone.
  In our body, many the metallic elements are essential micronutrients, and are indispensable for cellular processes in all kingdoms of life.

Metals
  Examples of metal atoms include:

Metal Complexes
Heavy Metal Elements (Heavy Metals)
Light Metal Elements (Light Metals)
Liquid Metallic Elements (Liquid Metals)

alloys
alkali metal atom
alkaline earth metal atoms
d-block element atoms
platinum group metal atom
transition element atoms
metal allergens (allergenic metals)
Other examples include:

iron (Fe)
lead (Pb)
polonium (Po)
tin (Sn)
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