Search results for "Periodic table/Period 2 element" - New World Encyclopedia
From New World Encyclopedia
- 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
