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Group (periodic table) List of chemical element name etymologies; Main-group element; Period (periodic table) Table of nuclides (segmented, narrow) Table of nuclides (segmented, wide) The Elements (song) Talk:Period (periodic table) User:Aenon94; User:Albert Poliakoff; User:C. J. T. T. Wilson; User:DorisLangBismuthLover; User:Fermiboson; User ...
alkali metals Alkaline earth metals Triels Tetrels Pnictogens Chalcogens Halogens Noble gases Period. 1. Hydrogen 1 H 1.0080: Helium 2 He 4.0026: 2: Lithium 3 Li 6.94: Beryllium 4 Be 9.0122: Boron 5 B 10.81: Carbon 6 C 12.011: Nitrogen 7 N 14.007: Oxygen 8 O 15.999: Fluorine 9 F 18.998: Neon 10 Ne 20.180: 3: Sodium 11 Na ...
Metals left of the dividing line occur (or are sourced) mainly as lithophiles; those to the right, as chalcophiles except gold (a siderophile) and tin (a lithophile). Notes [ edit ]
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3; it is usually shown at the foot of the table to save horizontal space.
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In chemistry and atomic physics, the main group is the group of elements (sometimes called the representative elements) whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements. The main group includes the elements (except hydrogen ...