The periodic table of the chemical elements is a list of known Elements. In the table, the elements are placed in the order of their atomic numbers starting with the
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Chem4s.com! This tutorial introduces the periodic table. Other sections include matter, elements, reactions, and biochemistry.
Pictorial version of the periodic table including technical data, photographs and descriptions of thousands of minerals.
Periodic table of elements with information on chemical elements like gold, silver, iron, neon, helium, chlorine, copper, cobalt, and more
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Interactive periodic table. Clicking on an element brings up a list of general properties and data, and information on its discovery, history, uses, geologic
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A group or family is a vertical column in the periodic table. Groups usually have more significant periodic trends than periods and blocks, explained below.
