Search results for "Periodic table/Period 3 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
- are chemical elements that lie in groups 3 through 12 of the periodic ... == Periodic table == Placement of the group of transition elements ...17 KB (2,462 words) - 04:39, 5 November 2022
- 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
- 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) - 04:56, 9 April 2024
- 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
- as unnilbium (symbol Unb), is a synthetic element in the periodic table. A ... that they had synthesized an isotope of element 102. The team reported that ...7 KB (962 words) - 02:34, 16 November 2022
- 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
- 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
- 89) is a silvery, radioactive, metallic element. Due to its intense radioactivity ... In the periodic table, actinium is situated in period seven and group ...7 KB (911 words) - 05:39, 15 June 2023
- Terbium is never found in nature as the free element, but it is contained ... Terbium is classified as a rare earth element. The term "rare ...9 KB (1,141 words) - 03:47, 30 April 2023
- 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
- Europium is never found in nature as a free element; however, there ... samples of the recently discovered element samarium were contaminated ...10 KB (1,254 words) - 04:34, 23 March 2024
- 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