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English: This pictorial periodic table is colorful, boring, and packed with information. In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings.
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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.
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 22.990: Magnesium 12 Mg 24.305: Aluminium 13 Al 26.982: Silicon 14 Si 28.085: Phosphorus 15 P 30.974: Sulfur 16 S 32.06: Chlorine 17 Cl 35.45: Argon 18 Ar 39.95: 4: Potassium 19 K 39.098: Calcium 20 Ca 40.078 ...
Element; atomic number (Z)Symbol |symbol= name (wikilink) Etymology |etymology= |etymology-symbol=; used when symbol is not obvious (like "Hg") Group; Period; Block; Standard atomic weight
Category is the word this Wikipedia uses for classifications in the metal-metalloid-nonmetal range. There is not any common word for it in the scientific world, and 'category' is not used for anything else. In the past, various sets of categories were used to colour in the periodic table, most recently: Metals Alkali metal Alkaline earth metal ...
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FA: current Featured Picture used in the infobox: A: current infobox picture is of high quality (could become FP) B: current infobox picture is of good quality