• Thumbnail for Group 8 element
    Group 8 is a group (column) of chemical elements in the periodic table. It consists of iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). "Group...
    9 KB (909 words) - 03:23, 24 February 2025
  • Group 8 may refer to: Group 8 (Sweden), a feminist movement in Sweden Group 8 element, a series of elements in the Periodic Table Group 8 Rugby League...
    394 bytes (91 words) - 14:26, 30 January 2023
  • Thumbnail for Group 3 element
    of the early transition metal groups, where the lightest element is distinct from the very similar next two. All the group 3 elements are rather soft, silvery-white...
    53 KB (5,863 words) - 16:54, 23 May 2025
  • Thumbnail for Rare-earth element
    Eu2+ and Eu3+. Yttrium is grouped as a heavy rare-earth element due to chemical similarities. The break between the two groups is sometimes put elsewhere...
    157 KB (16,756 words) - 16:04, 15 June 2025
  • Thumbnail for Group 11 element
    order. Silver is also the most thermally conductive element, and the most light reflecting element. Silver also has the unusual property that the tarnish...
    12 KB (1,367 words) - 17:24, 8 May 2025
  • Thumbnail for Group 6 element
    chemists then correctly assumed that it was the ore of a distinct new element, named molybdenum for the mineral in which it was discovered. Peter Jacob...
    19 KB (1,954 words) - 19:22, 27 March 2025
  • Thumbnail for Group 4 element
    which each group suggesting its own name: the Dubna group named the element kurchatovium after Igor Kurchatov, while the Berkeley group named it rutherfordium...
    35 KB (4,246 words) - 03:31, 24 February 2025
  • 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...
    84 KB (9,014 words) - 20:48, 22 May 2025
  • 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...
    89 KB (9,378 words) - 13:11, 22 May 2025
  • Thumbnail for Group 9 element
    combined with group 8 (iron, ruthenium, osmium, and hassium) and group 10 (nickel, palladium, platinum, and darmstadtium) and called group "VIIIB" in the...
    21 KB (2,226 words) - 22:06, 24 May 2025
  • Thumbnail for Pnictogen
    Pnictogen (redirect from Group 15 element)
    resulting in trends in chemical behavior. This group has the defining characteristic whereby each component element has 5 electrons in their valence shell, that...
    34 KB (4,006 words) - 18:03, 5 June 2025
  • Thumbnail for Group 10 element
    naturally in ores, and it is the earth's 22nd most abundant element. Two prominent groups of ores from which it can be extracted are laterites and sulfide...
    18 KB (1,680 words) - 20:28, 22 May 2025
  • Thumbnail for Group 12 element
    alchemical planetary name became the common name. The heaviest known group 12 element, copernicium, was first created on February 9, 1996, at the Gesellschaft...
    73 KB (7,443 words) - 21:00, 29 May 2025
  • Thumbnail for Main-group element
    thorium (Th) and uranium (U), are similar to main-group elements as thorium is an electropositive element with only one main oxidation state (+4), and uranium...
    4 KB (413 words) - 10:08, 14 June 2025
  • Hassium (redirect from Element 108)
    found. In the periodic table, hassium is a transactinide element, a member of period 7 and group 8; it is thus the sixth member of the 6d series of transition...
    101 KB (14,000 words) - 22:03, 26 May 2025
  • Thumbnail for Halogen
    Halogen (redirect from Group 17 element)
    to have discovered element 85 in minerals, and called the element dakine, but he was also mistaken. An attempt at discovering element 85 in 1939 by Horia...
    52 KB (5,531 words) - 16:34, 10 June 2025
  • In mathematics, the longest element of a Coxeter group is the unique element of maximal length in a finite Coxeter group with respect to the chosen generating...
    3 KB (382 words) - 00:53, 27 May 2025
  • 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) - 18:25, 24 May 2025
  • Thumbnail for Noble gas
    Noble gas (redirect from Group 18 element)
    thorium, or uranium compounds. The seventh member of group 18 is oganesson, an unstable synthetic element whose chemistry is still uncertain because only five...
    95 KB (9,705 words) - 16:10, 30 May 2025
  • G8 (disambiguation) (redirect from G-8)
    hardliners who attempted a coup against Mikhail Gorbachev in August 1991 Group 8 element, of the periodic table This disambiguation page lists articles associated...
    2 KB (298 words) - 22:45, 27 August 2024
  • Thumbnail for Hassium tetroxide
    to osmium tetroxide and ruthenium tetroxide, its lighter octavalent group 8 element analogs. Because of the extreme cost and difficulty of producing hassium...
    5 KB (359 words) - 21:41, 3 December 2024
  • Thumbnail for Chalcogen
    Chalcogen (redirect from Group 16 element)
    Sulfur has been known since antiquity, and oxygen was recognized as an element in the 18th century. Selenium, tellurium and polonium were discovered in...
    75 KB (8,309 words) - 14:58, 5 April 2025
  • Thumbnail for Carbon group
    points of the carbon group tend to get lower with the heavier elements. At standard pressure, carbon, the lightest carbon group element, sublimes at 3825 °C...
    32 KB (3,844 words) - 01:52, 16 June 2025
  • Extended periodic table Element 119 (Uue, marked here) in period 8 (row 8) marks the start of theorisations. An extended periodic table theorizes about...
    150 KB (15,259 words) - 01:07, 25 May 2025
  • Thumbnail for Group (mathematics)
    In mathematics, a group is a set with an operation that combines any two elements of the set to produce a third element within the same set and the following...
    103 KB (13,241 words) - 14:14, 11 June 2025
  • Thumbnail for Generating set of a group
    generating set of a group is a subset of the group set such that every element of the group can be expressed as a combination (under the group operation) of...
    11 KB (1,746 words) - 01:54, 8 March 2025
  • Thumbnail for Classical element
    first to use the term "element (στοιχεῖον, stoicheîon)" in reference to air, fire, earth, and water. The ancient Greek word for element, stoicheion (from stoicheo...
    44 KB (4,528 words) - 22:44, 12 June 2025
  • 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...
    82 KB (9,328 words) - 01:09, 8 June 2025
  • Thumbnail for Mercury (element)
    Mercury is a chemical element; it has symbol Hg and atomic number 80. It is commonly known as quicksilver. A heavy, silvery d-block element, mercury is the...
    128 KB (13,407 words) - 19:55, 14 June 2025
  • The Fifth Element (French: Le Cinquième Élément) is a 1997 English-language French science-fiction action film conceived and directed by Luc Besson, and...
    83 KB (7,860 words) - 10:43, 5 June 2025