Search results for "Periodic table/Period 5 element" - New World Encyclopedia

From New World Encyclopedia
  • The periodic table of the chemical elements is a tabular display of ... :Main article: History of the periodic table The original table was ...
    13 KB (1,942 words) - 00:40, 24 November 2022
  • as unnilunium (symbol Unu), is a synthetic element in the periodic table. A ... alpha particles. Only trace amounts of the element have been produced. The ...
    6 KB (778 words) - 04:30, 9 November 2022
  • that lie in groups 3 through 12 of the periodic table, in the standard view ... == Periodic table == Placement of the group of transition elements ...
    17 KB (2,462 words) - 04:39, 5 November 2022
  • ores. Although many isotopes of this element have been produced, they ... This element, which was named for France, was the last element discovered ...
    6 KB (795 words) - 06:17, 23 January 2023
  • is the rarest naturally occurring chemical element. It is a member of the halogen ... existence based on his analysis of the periodic table. He called it "eka ...
    6 KB (808 words) - 05:08, 18 August 2023
  • eka-lutetium, is a radioactive synthetic element in the periodic table. Its ... sometimes used as a temporary, systematic element name until that time. ...
    6 KB (798 words) - 17:58, 25 October 2022
  • as unnilbium (symbol Unb), is a synthetic element in the periodic table. A ... a curium target (95 percent 244Cm and 4.5 percent 246Cm) with 12C ions ...
    7 KB (962 words) - 02:34, 16 November 2022
  • A chemical element, often called simply element, is the class of atoms ... The elements and their periodic physical and chemical properties are ...
    10 KB (1,624 words) - 14:39, 5 December 2023
  • Einsteinium (chemical symbol Es, atomic number 99) is a synthetic ... and practical applications of the element have yet to be developed. ...
    7 KB (940 words) - 00:06, 13 February 2024
  • Fermium (chemical symbol Fm, atomic number 100) is a synthetic element ... beta decays also occurred to create the element). The work was overseen ...
    7 KB (998 words) - 17:26, 26 March 2024
  • 97) is a synthetic, radioactive chemical element, classified as an actinide ... to be synthesized. Currently, the main interest in this element lies ...
    7 KB (911 words) - 11:01, 28 September 2023
  • affinity and ionization energy of a given element, and they can be quantitated ... Consequently, the electronegativity of an element cannot be measured directly—it ...
    16 KB (2,171 words) - 15:58, 13 February 2024
  • The main group elements of the periodic table are groups 1, 2 and ... The alkali metals are the series of elements in Group 1 of the periodic ...
    30 KB (4,368 words) - 00:41, 24 November 2022
  • the Congo have been found to contain the element at a concentration of about ... The existence of an element between thorium and uranium was predicted ...
    9 KB (1,150 words) - 08:16, 2 December 2022
  • It is the only liquid nonmetallic element at room temperature and ... Given its reactivity, bromine is not found as a free element in nature ...
    10 KB (1,346 words) - 04:33, 22 November 2023
  • 95) is a radioactive, synthetic metallic element, classified as an actinide ... This element, which can be produced in kilogram quantities, and has ...
    9 KB (1,328 words) - 06:50, 25 July 2023
  • Californium (chemical symbol Cf, atomic number 98) is a chemical element ... (helium ions). Californium is the heaviest element that has been produced in ...
    11 KB (1,466 words) - 18:27, 25 November 2023
  • 93) is a silvery radioactive metallic element, belonging to the actinide ... "spiral" organization of the periodic table, it was found at the ...
    11 KB (1,451 words) - 16:21, 11 November 2022
  • 96) is a radioactive, metallic, transuranic element "Transuranic ... amounts, making it feasible to study the element's chemical properties ...
    10 KB (1,354 words) - 06:46, 12 January 2024
  • is not an economically viable source of the element. Commercial rhenium ... meaning "Rhine." Before this element was discovered, its existence ...
    10 KB (1,384 words) - 20:01, 8 December 2022

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