Metals
Metals are rarely encountered in their elemental state in nature. They must first be extracted from the ground as an ore, which is then treated to release the metal. Some metals may be extracte...
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Metals
Within the periodic table there are some 90 elements that can be described as metals. They all have various characteristics in common ranging from bonding to chemical nature.
The metals are ver...
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Metals, as Contaminants
Metals, objects made from metal, and chemical compounds containing metal are pervasive in the home, workplace, and environment. Although metals play an essential role in mode...
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Metals
Metals
Metals, as Contaminants