Search results for "Periodic table/Period 2 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
- 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
- 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
- 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
- 2, 8 color1=#c0ffff | color2=green gas 0.9002 k=24.56 | c=-248.59 ... 10) is the fourth most abundant chemical element in the universe, but it ...6 KB (841 words) - 16:18, 11 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
- 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
- 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
- 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
- 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
- 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
- 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
- The element is never found in nature in pure form, but it is found ... turned out to be the oxide of the element holmium and was named holmia ...9 KB (1,135 words) - 23:14, 30 April 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
- molybdenum ores contain 0.002 percent to 0.2 percent rhenium. It was only ... is not an economically viable source of the element. Commercial rhenium ...10 KB (1,384 words) - 20:01, 8 December 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
- Dysprosium (chemical symbol Dy, atomic number 66) is a rare earth ... Dysprosium is never encountered as a free element but is found in ...10 KB (1,193 words) - 17:27, 12 February 2024
- number 71) is a silvery white, metallic element that usually occurs in association ... which contains 0.003 percent of the element. Pure lutetium metal has ...11 KB (1,371 words) - 03:06, 5 November 2022
- number 70) is a soft silvery metallic rare earth element. ... gadolinite, monazite, and xenotime. The element is sometimes associated ...11 KB (1,375 words) - 21:33, 4 June 2023
- | colspan="2" align="center" | [[image:Ga,31.jpg ... as primary sources of extraction of the element or its compounds. Rather ...15 KB (2,122 words) - 04:06, 18 April 2024
- This element expands on freezing and was long an important component ... and Kazakhstan are smaller producers of this element. == History == ...14 KB (1,891 words) - 17:59, 31 October 2023
- number 68) is a silvery metallic rare earth element. The term "rare ... Like other rare earths, this element is never found as a free element ...11 KB (1,419 words) - 19:19, 13 February 2024
- for many years before isolation of the element fluorine. For example, the ... acid contained a previously unknown element. This element, however, ...13 KB (1,855 words) - 17:47, 28 March 2024
- (in which it occurs up to an extent of 2.8 percent) and bastnasite are ... in 1845–1861. The name of the element is derived from the name of ...11 KB (1,437 words) - 02:07, 23 December 2022
- Cl2. Given its high reactivity, the free element is not found in nature. naturally occurring waters. Common salt or table salt is the compound sodium ...15 KB (2,040 words) - 17:07, 10 December 2023
- Scandinavia and elsewhere. It is a rare element that chemically resembles ... This element is mainly used in alloys with aluminum for minor components ...12 KB (1,615 words) - 17:06, 25 January 2023
- Promethium (chemical symbol Pm, atomic number 61) is a metallic element ... in 1914, who found a gap for a missing element which would have atomic ...11 KB (1,429 words) - 23:55, 1 December 2022
- compounds but it does not exist as a free element in nature. Minerals that ... Denmark. Based on the Bohr Theory, this element was predicted to be associated ...10 KB (1,277 words) - 16:40, 21 January 2024
- in air. It was the "secret" element used in the production of ... and uranium ores, but never as a free element. It is commercially recovered ...12 KB (1,634 words) - 21:34, 4 June 2023
- This element has many isotopes, of which the single stable isotope ... lines were produced by a hitherto unknown element, which they named cesium ...14 KB (1,931 words) - 00:09, 4 December 2023
- to gray when exposed to air. This element and its compounds are highly ... The element thallium is reasonably abundant in the Earth's crust ...13 KB (1,784 words) - 15:06, 30 April 2023
- 57) is a soft, silvery white metallic element. Found in combination with ... range of applications. For instance, the element is used in motion-picture ...11 KB (1,398 words) - 22:23, 22 October 2022
- number 52) is a relatively rare chemical element that belongs to the group ... This element is primarily used in alloys. For instance, when added ...14 KB (1,880 words) - 05:35, 27 February 2023
- number 64) is a silvery white metallic element and a member of the lanthanide ... In nature, gadolinium is found not as the free element but in various ...13 KB (1,750 words) - 07:39, 15 April 2024
- number 88) is an extremely radioactive element that is classified as an ... care. Exposure to radiation from this element can lead to sores on the ...13 KB (1,820 words) - 22:47, 7 December 2022
- air, but they were unable to identify the element responsible for the lines ... Argon, an extremely unreactive element, is a member of the noble gas ...11 KB (1,517 words) - 06:25, 12 August 2023
- An atom of any other element ionized down to a single electron is ... electron configuration of the atoms and the periodic table. ...33 KB (5,193 words) - 01:09, 18 November 2022
- (chemical symbol Nd, atomic number 60) is a silvery metallic element ... In nature, neodymium is found not as the free element but in ores ...12 KB (1,578 words) - 16:18, 11 November 2022
- a lustrous, hard, grayish-white chemical element. It is classified as a metalloid—that ... of certain coals. A large reserve of this element is found in coal sources. ...13 KB (1,672 words) - 09:43, 5 December 2022
- number 56) is a soft, silvery chemical element classified as an alkaline ... in group two (former group 2A) of the periodic table, between strontium ...13 KB (1,855 words) - 08:07, 20 September 2023
- various ores and is important as a trace element in the human body. It is ... * erythrite - hydrated cobalt arsenate (Co3(AsO4)2•8H2O) ...13 KB (1,769 words) - 22:14, 7 January 2024
- are used in jewelry. In addition, this element is useful in a number of ... to isolate palladium metal. He named the element in 1804, deriving the word ...13 KB (1,749 words) - 06:25, 18 November 2022
