Search results for "List of elements by atomic mass" - New World Encyclopedia
From New World Encyclopedia
- Argon (chemical symbol Ar, atomic number 18) is a member of the noble ... The inertness of argon is a very useful property for a number of applications ...11 KB (1,517 words) - 06:25, 12 August 2023
- Europium (chemical symbol Eu, atomic number 63) is the most reactive ... has also been identified in the spectra of the Sun and certain stars. ...10 KB (1,254 words) - 04:34, 23 March 2024
- Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery ... with aluminum for minor components needed by the aerospace industry and ...12 KB (1,615 words) - 17:06, 25 January 2023
- samples. 7Li would thereforehave a content of up to 96.25%. ... Lithium (chemical symbol Li, atomic number 3) is the lightest solid ...16 KB (2,302 words) - 04:29, 29 October 2022
- Uncertainty is a term used in subtly different ways in a number of ... mass values given on the list of elements by atomic mass, the true value ...17 KB (2,527 words) - 01:33, 3 May 2023
- (chemical symbol Nd, atomic number 60) is a silvery metallic element ... It constitutes about 38 parts per million (ppm) of the Earth’s crust. ...12 KB (1,578 words) - 16:18, 11 November 2022
- In the Standard Model of particle physics, a meson is a composite ... Since mesons are composed of quarks, they participate in both the ...20 KB (3,017 words) - 16:16, 9 November 2022
- Cerium (chemical symbol Ce, atomic number 58) is a silvery metallic ... Cerium, its alloys, and its compounds are valuable for a variety of ...15 KB (2,039 words) - 23:59, 3 December 2023
- Samarium (chemical symbol Sm, atomic number 62) is a bright silvery ... in nature, but, like other rare earth elements, it is contained in many ...11 KB (1,437 words) - 02:07, 23 December 2022
- Manganese (chemical symbol Mn, atomic number 25) is a gray-white metal ... The greatest demand for manganese is for the production of iron and ...14 KB (1,946 words) - 11:03, 9 March 2023
- Cobalt (chemical symbol Co, atomic number 27) is a hard, lustrous ... Cobalt compounds are used in the production of inks, paints, and varnishes ...13 KB (1,769 words) - 22:14, 7 January 2024
- Thorium (chemical symbol Th, atomic number 90) is a naturally occurring ... as lead. Soil commonly contains an average of around 12 parts per million ...14 KB (1,909 words) - 23:00, 30 April 2023
- Rhodium (chemical symbol Rh, atomic number 45) is a rare, silvery ... it is a symbol of wealth and is occasionally used in the presentation ...13 KB (1,685 words) - 20:04, 8 December 2022
- Ruthenium (chemical symbol Ru, atomic number 44) is a rare, hard, ... platinum group metals in the Ural Mountains of western Russia and in parts ...13 KB (1,814 words) - 18:24, 22 December 2022
- Chromium (chemical symbol Cr, atomic number 24) is a hard, shiny, ... used in paints and pigments. The red color of rubies derives from the presence ...15 KB (2,106 words) - 21:52, 10 December 2023
- Thallium (chemical symbol Tl, atomic number 81) is a soft, malleable ... for low-temperature measurements. Crystals of thallium bromide-iodide have ...13 KB (1,784 words) - 15:06, 30 April 2023
- Tellurium (chemical symbol Te, atomic number 52) is a relatively rare ... with care. Exposure to even small amounts of tellurium can generate a garlicky ...14 KB (1,880 words) - 05:35, 27 February 2023
- Bismuth (chemical symbol Bi, atomic number 83) is a brittle, white ... This element expands on freezing and was long an important component ...14 KB (1,891 words) - 17:59, 31 October 2023
- Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery ... the two difficult to separate. About half of all hafnium metal manufactured ...10 KB (1,277 words) - 16:40, 21 January 2024
- Rubidium (chemical symbol Rb, atomic number 37) is a soft, silvery ... and zinnwaldite, which contains traces of up to one percent of its oxide ...14 KB (1,892 words) - 20:57, 21 December 2022
