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  • Thumbnail for Alkali metal
    Alkali metal (redirect from Group 1 element)
    weak polarising power. The element hydrogen, with one electron per neutral atom, is usually placed at the top of Group 1 of the periodic table because...
    216 KB (23,537 words) - 04:34, 14 May 2024
  • Thumbnail for Chalcogen
    Chalcogen (redirect from Group 16 element)
    1038/nature05174. PMID 16971946. S2CID 4384225. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann...
    74 KB (8,271 words) - 14:28, 8 June 2024
  • Thumbnail for Group 5 element
    three Group 5 elements occur naturally and share similar properties; all three are hard refractory metals under standard conditions. The fourth element, dubnium...
    80 KB (8,537 words) - 02:13, 19 June 2024
  • Thumbnail for Periodic table
    Periodic table (redirect from Group 2A)
    (2016). "An element of atomic number zero?". New Journal of Chemistry. 40 (11): 9002–9006. doi:10.1039/C6NJ02076C. Greenwood & Earnshaw, pp. 24–27 Gray...
    252 KB (27,193 words) - 09:33, 21 June 2024
  • Thumbnail for Halogen
    Halogen (redirect from Group 17 element)
    pressure, though not far above room temperature the same becomes true of groups 1 and 15, assuming white phosphorus is taken as the standard state. All of the...
    52 KB (5,489 words) - 03:20, 16 May 2024
  • Thumbnail for Group 10 element
    ISBN 978-1-4987-5429-3. OCLC 957751024.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link) Greenwood, N. N.; Earnshaw, A (1997)...
    17 KB (1,657 words) - 18:40, 21 March 2024
  • Thumbnail for Bromine
    Bromine (redirect from Element 35)
    and Earnshaw, pp. 809–12 Greenwood and Earnshaw, pp. 812–6 Greenwood and Earnshaw, pp. 821–4 Greenwood and Earnshaw, pp. 824–8 Greenwood and Earnshaw, pp...
    67 KB (7,673 words) - 21:53, 14 June 2024
  • Thumbnail for Group 7 element
    fairly common element, whereas rhenium is rare, technetium only occurs in trace quantities, and bohrium is entirely synthetic. The trends in group 7 follow...
    83 KB (8,983 words) - 00:12, 10 June 2024
  • Thumbnail for Ununennium
    Ununennium (redirect from Element 119)
    2006). "transuranium element (chemical element)". Encyclopædia Britannica. Retrieved 2010-03-16. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry...
    42 KB (8,085 words) - 04:14, 28 June 2024
  • Thumbnail for Ruthenium
    Ruthenium (redirect from Element 44)
    Ruthenium is a chemical element; it has symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table...
    50 KB (5,744 words) - 02:46, 20 June 2024
  • Thumbnail for Boron group
    referred to as the triels. Several group 13 elements have biological roles in the ecosystem. Boron is a trace element in humans and is essential for some...
    50 KB (5,716 words) - 02:46, 28 June 2024
  • Thumbnail for Phosphorus
    Phosphorus (redirect from Element 15)
    Phosphorus is a chemical element; it has symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus...
    106 KB (12,371 words) - 07:05, 23 June 2024
  • Thumbnail for Astatine
    Astatine (redirect from Element 85)
    Astatine is a chemical element; it has symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only...
    81 KB (9,228 words) - 18:51, 29 June 2024
  • Thumbnail for Thallium
    Thallium (redirect from Element 81)
    Gallium, Indium, Thallium. Rosen Publishing Group. p. 14. ISBN 978-1-4358-5333-1. Greenwood and Earnshaw, pp. 222–224 Haynes, William M., ed. (2011)....
    52 KB (5,786 words) - 19:57, 14 June 2024
  • Thumbnail for Chlorine
    Chlorine (redirect from Element 17)
    International. 1 June 1999.[permanent dead link] Greenwood & Earnshaw 1997, pp. 828–831 Greenwood & Earnshaw 1997, pp. 832–835 Greenwood & Earnshaw 1997, pp...
    117 KB (13,009 words) - 22:07, 21 June 2024
  • Thumbnail for Lead
    Lead (redirect from Element 82)
    Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials...
    174 KB (19,008 words) - 01:35, 30 June 2024
  • Thumbnail for Sodium
    Sodium (redirect from Element 11)
    and Earnshaw, p. 75 ""Alkali Metals." Science of Everyday Things". Encyclopedia.com. Archived from the original on 17 October 2016. Retrieved 15 October...
    70 KB (8,195 words) - 02:06, 19 June 2024
  • Thumbnail for Hassium
    Hassium (redirect from Element 108)
    (2016). "The Three-Letter Element Symbols". Chemistry International. 38 (2): 4–8. doi:10.1515/ci-2016-0204. Greenwood & Earnshaw 1997, p. 30. Hoffman, Lee...
    97 KB (13,981 words) - 18:42, 29 June 2024
  • Thumbnail for Arsenic
    Arsenic (redirect from Element 33)
    element with the symbol As and the atomic number 33. It is a metalloid and one of the pnictogens, and therefore shares many properties with its group...
    130 KB (14,234 words) - 04:05, 23 June 2024
  • Thumbnail for Zinc
    Zinc (redirect from Element 30)
    shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table. In some respects, zinc is chemically...
    143 KB (16,187 words) - 06:57, 23 June 2024
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