Search results for "List of elements by atomic number" - 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
- The development of the periodic table of the elements parallels the ... eighteenth and nineteenth centuries the rate of discovery of new elements increased ...15 KB (2,217 words) - 15:59, 25 January 2023
- Thulium (chemical symbol Tm, atomic number 69) is the least abundant ... techniques have led to easier separation of the rare earths, which has ...9 KB (1,135 words) - 23:14, 30 April 2023
- that are intermediate between those of metals and nonmetals. The following ... as a metalloid. Because very limited amounts of this element have been available ...7 KB (910 words) - 16:19, 9 November 2022
- Neon (chemical symbol Ne, atomic number 10) is the fourth most abundant ... meaning "new") was discovered by Scottish chemist William Ramsay ...6 KB (841 words) - 16:18, 11 November 2022
- Protactinium (chemical symbol Pa, atomic number 91) is a member of ... The isotope protactinium-231 occurs in pitchblende to the extent of ...9 KB (1,150 words) - 08:16, 2 December 2022
- Promethium (chemical symbol Pm, atomic number 61) is a metallic element ... Promethium can be formed as a product of uranium fission. Only trace ...11 KB (1,429 words) - 23:55, 1 December 2022
- Ytterbium (chemical symbol Yb, atomic number 70) is a soft silvery ... associated with yttrium or other related elements and is used in certain steels ...11 KB (1,375 words) - 21:33, 4 June 2023
- Lutetium (chemical symbol Lu, atomic number 71) is a silvery white ... Found with almost all other rare-earth metals but never by itself ...11 KB (1,371 words) - 03:06, 5 November 2022
- Erbium (chemical symbol Er, atomic number 68) is a silvery metallic ... It is associated with several other rare earth elements in the mineral ...11 KB (1,419 words) - 19:19, 13 February 2024
- Terbium (chemical symbol Tb, atomic number 65) is a silvery-white ... Nd,Y)PO4, which contains up to 0.03 percent of terbium), xenotime (YPO4) and ...9 KB (1,141 words) - 03:47, 30 April 2023
- :For other meanings of the abbreviation Pr, see PR. number=59 | symbol ... (chemical symbol Pr, atomic number 59) is a soft silvery metallic ...12 KB (1,535 words) - 22:14, 30 November 2022
- Dysprosium (chemical symbol Dy, atomic number 66) is a rare earth ... with erbium, holmium, and other rare earth elements. == History == ...10 KB (1,193 words) - 17:27, 12 February 2024
- Cesium (also spelled caesium, chemical symbol Cs, atomic number 55 ... This element has many isotopes, of which the single stable isotope ...14 KB (1,931 words) - 00:09, 4 December 2023
- Lanthanum (chemical symbol La, atomic number 57) is a soft, silvery ... Lanthanum, its alloys, and its compounds have a wide range of applications ...11 KB (1,398 words) - 22:23, 22 October 2022
- Bromine (chemical symbol Br, atomic number 35) is a nonmetal that ... Bromine is an important resource for the production of a wide range ...10 KB (1,346 words) - 04:33, 22 November 2023
- Fluorine (chemical symbol F, atomic number 9) is a nonmetal that belongs ... Fluorine and its compounds are useful for a wide range of applications ...13 KB (1,855 words) - 17:47, 28 March 2024
- the composition, structure, and properties of matter, as well as the changes ... Disciplines within chemistry are traditionally grouped by the type ...20 KB (2,886 words) - 14:48, 5 December 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
- Rhenium (chemical symbol Re, atomic number 75) is a silvery-white ... This mineral, however, is not an economically viable source of the element. ...10 KB (1,384 words) - 20:01, 8 December 2022
- Germanium (chemical symbol Ge, atomic number 32) is a lustrous, hard ... The development of the germanium transistor opened the door to numerous ...13 KB (1,672 words) - 09:43, 5 December 2022
- 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
- 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
- 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
- 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
- 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
- (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
- Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that ... in nature and necessary for most forms of life, including human life ...15 KB (2,040 words) - 17:07, 10 December 2023
- 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
- Uncertainty is a term used in subtly different ways in a number of ... The philosophical problematics of uncertainty are often tied to a ...17 KB (2,527 words) - 01:33, 3 May 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
- 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
- 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
- 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
- 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
- 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
- Gadolinium (chemical symbol Gd, atomic number 64) is a silvery white ... Today, gadolinium is isolated by techniques such as ion exchange and ...13 KB (1,750 words) - 07:39, 15 April 2024
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery ... Interestingly, lunar rock samples retrieved by Apollo space missions were ...12 KB (1,634 words) - 21:34, 4 June 2023
- 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
- Gallium (chemical symbol Ga, atomic number 31) is a rare, soft, silvery ... Gallium is most commonly used in the form of the compound gallium ...15 KB (2,122 words) - 04:06, 18 April 2024
- Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery ... is widely used in the glass screens of color television sets. Strontium ...14 KB (1,860 words) - 21:04, 26 February 2023
- 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
- 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
- Palladium (chemical symbol Pd, atomic number 46) is a rare, silver ... In addition, this element is useful in a number of other applications, including ...13 KB (1,749 words) - 06:25, 18 November 2022
- Molybdenum (chemical symbol Mo, atomic number 42) is a silvery white ... free in nature. The main commercial source of molybdenum is the mineral molybdenite ...14 KB (1,925 words) - 19:51, 9 November 2022
- Osmium (chemical symbol Os, atomic number 76) is a hard, brittle, ... The compound osmium tetroxide is very toxic but has a number of important ...14 KB (1,905 words) - 04:43, 18 November 2022
- 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
- Lead (chemical symbol Pb, atomic number 82) is a soft, heavy metal ... and arsenic. Lead is mentioned in the Book of Exodus. Lead pipes that bear ...18 KB (2,664 words) - 18:43, 25 October 2022
- An alloy is the combination of metal with other chemical elements ... material are actually alloys. Alloys of gold are rated on a scale of ...17 KB (2,388 words) - 08:10, 23 July 2023
- 1 (one) is a number, numeral, and the glyph that represents the number ... In mathematics, the number 1 is the natural number A natural number ...16 KB (2,188 words) - 06:29, 13 June 2023
- 2 (two) is a number, numeral, and glyph that represents the number ... that follows 1 and precedes 3. It is an integer and a cardinal number ...19 KB (2,775 words) - 06:42, 13 June 2023
- Barium (chemical symbol Ba, atomic number 56) is a soft, silvery chemical ... Barium and its compounds have a variety of applications. For instance ...13 KB (1,855 words) - 08:07, 20 September 2023
- Tantalum, formerly tantalium (chemical symbol Ta, atomic number 73 ... for metalworking, and for the production of superalloys for jet engine ...14 KB (1,813 words) - 03:03, 19 April 2023
- Xenon (chemical symbol Xe, atomic number 54) is a colorless, odorless ... This element can be extracted by fractional distillation of liquid ...13 KB (1,905 words) - 14:16, 20 May 2023
- 5 (five) is a number, numeral, and glyph that represents the number ... that follows 4 and precedes 6. It is an integer and a cardinal number ...21 KB (2,981 words) - 06:46, 13 June 2023
- 28, 1968) was a German chemist and a pioneer of radioactivity and radiochemistry ... 1879, in Frankfurt am Main, the youngest son of the glazier and entrepreneur ...24 KB (3,736 words) - 10:52, 11 March 2023
- Oxygen (chemical symbol O, atomic number 8) is the second most common ... Oxygen is essential for the respiratory function of humans, animals ...23 KB (3,469 words) - 06:02, 18 November 2022
- Zirconium (chemical symbol Zr, atomic number 40) is a strong, lustrous ... The purified metal is primarily used by the nuclear industry to form ...16 KB (2,114 words) - 06:08, 13 June 2023
- Vanadium (chemical symbol V, atomic number 23) is a rare, silver-gray ... Vanadium was originally discovered by Andrés Manuel del Río, a Spanish ...15 KB (2,022 words) - 14:18, 3 May 2023
- Cadmium (chemical symbol Cd, atomic number 48) is a relatively rare ... plastics stabilizers, and many kinds of solder. In nuclear reactors ...16 KB (2,248 words) - 10:14, 25 November 2023
- html Solar Wind Squeezes Some of Earth's Atmosphere into ... An ion is an atom, group of atoms, or subatomic particle with a net ...17 KB (2,619 words) - 11:09, 6 March 2024
- Silver (chemical symbol Ag, atomic number 47) is a soft metal with ... electronic products. The nitrate and halides of silver are valuable in photography ...20 KB (2,849 words) - 22:08, 29 January 2023
- Niobium or columbium (chemical symbol Nb, atomic number 41) is a rare ... often also contain tantalum. Large deposits of niobium have been found associated ...14 KB (1,909 words) - 04:59, 15 November 2022
- Potassium (chemical symbol K, atomic number 19) is a member of a group ... The ions, alloys, and compounds of potassium have a wide range of ...18 KB (2,538 words) - 05:52, 30 November 2022
- Helium (chemical symbol He, atomic number 2) is a minor component ... almost all new helium is created as a result of the nuclear fusion of hydrogen ...32 KB (4,897 words) - 15:19, 25 January 2023
- Magnesium (chemical symbol Mg, atomic number 12) is the eighth most ... In its ionic form, magnesium is one of the most essential elements ...17 KB (2,430 words) - 10:49, 9 March 2023
- A chemical reaction is a process that leads to the interconversion ... the reactants, and the substances produced by the reaction are called the ...12 KB (1,710 words) - 14:43, 5 December 2023
- Boron (chemical symbol “B,” atomic number “5”) is a chemical ... antiseptics, adhesives, and a variety of other products. The isotope ...16 KB (2,239 words) - 19:45, 20 November 2023
- Technetium (chemical symbol Tc, atomic number 43) is a silvery gray ... Before the element was discovered, many of the properties of element ...43 KB (6,283 words) - 22:03, 13 January 2024
- Tin (chemical symbol Sn, atomic number 50) is a silvery, malleable ... This metal is an important component of many alloys, including bronze ...16 KB (2,335 words) - 23:38, 30 April 2023
- 6 (six) is a number, numeral, and glyph that represents the number ... that follows 5 and precedes 7. It is an integer and a cardinal number ...19 KB (2,695 words) - 06:47, 13 June 2023
- Platinum (chemical symbol Pt, atomic number 78) is a silvery gray ... Naturally occurring platinum appears to have been used by the craftsmen ...14 KB (2,002 words) - 08:01, 24 November 2022
- a chemical element with the symbol W and atomic number 74. This heavy metal ... Tungsten was first hypothesized to exist by Peter Woulfe in 1779, ...17 KB (2,431 words) - 18:45, 2 May 2023
- The scientific definition of a machine is any device that transmits ... Generally these devices decrease the amount of force required to do a given ...16 KB (2,145 words) - 04:49, 5 November 2022
- pleasing in appearance. The scientific study of crystals and crystal formation ... Many types of crystals are found in nature. Snowflakes, diamonds, ...24 KB (3,432 words) - 06:31, 11 January 2024
- Beryllium (chemical symbol Be, atomic number 4) ranks among the lightest ... Alloys of beryllium with copper or nickel are strong and wear-resistant ...16 KB (2,296 words) - 17:26, 29 September 2023
- Antimony (chemical symbol Sb, atomic number 51) is a metalloid with ... and solder. Recently, it is being used by the semiconductor industry ...17 KB (2,369 words) - 06:33, 31 July 2023
- Copper (symbol Cu, atomic number 29) is one of the oldest known metals ... used in hospitals to prevent the transfer of germs, and copper (II) sulfate ...21 KB (3,086 words) - 17:35, 21 May 2020
- Selenium (chemical symbol Se, atomic number 34) is a chemical element ... This element and its compounds have a wide range of applications. ...23 KB (3,335 words) - 17:47, 25 January 2023
- all the objects in the universe are composed of very small, invisible, indestructible ... Traditional atomism is used in two distinct domains: The atoms of ...37 KB (5,618 words) - 06:58, 21 August 2023
- Sodium (chemical symbol Na, atomic number 11) is a member of a group ... bright illumination at low cost. An alloy of sodium and potassium (NaK) ...21 KB (3,204 words) - 21:54, 30 January 2023
- Sulfur or sulphur (see spelling below) (chemical symbol S, atomic ... This element is essential for living organisms, particularly as part ...22 KB (3,269 words) - 21:43, 26 February 2023
- Calcium (chemical symbol Ca, atomic number 20) is the fifth most plentiful ... state. Rather, it occurs in the form of various compounds: calcium ...18 KB (2,626 words) - 18:21, 25 November 2023
- Zinc (chemical symbol Zn, atomic number 30) is a bluish-white metal ... sunburn and diaper rash. The chloride of zinc is a deodorant, and the ...18 KB (2,716 words) - 06:07, 13 June 2023
- Arsenic (chemical symbol As, atomic number 33) is a notoriously poisonous ... surreptitiously, arsenic was used in history by murderers, including members ...21 KB (2,920 words) - 04:00, 15 August 2023
- Titanium (chemical symbol Ti, atomic number 22) is a silvery-white ... forms and five naturally occurring isotopes of this element—46Ti through ...27 KB (3,874 words) - 03:49, 1 May 2023
- 4 (four) is a number, numeral, and glyph that represents the number ... that follows 3 and precedes 5. It is an integer and a cardinal number ...24 KB (3,319 words) - 06:45, 13 June 2023
- Plutonium (chemical symbol Pu, atomic number 94) is a radioactive ... naturally in uranium ores. These come about by a process of neutron capture ...37 KB (5,382 words) - 08:10, 24 November 2022
- Uranium (chemical symbol U, atomic number 92) is a silvery metallic ... 235 (0.72 percent), and a very small amount of uranium-234 (0.0058 percent ...48 KB (6,867 words) - 15:33, 16 January 2024
- Nitrogen (symbol N, atomic number 7) is the chief constituent of the ... In living organisms, nitrogen atoms are part of the molecular structures ...22 KB (3,304 words) - 02:26, 16 November 2022
- Phosphorus (chemical symbol P, atomic number 15) is a multivalent ... When purified artificially, several different allotropic forms of ...25 KB (3,622 words) - 22:45, 28 March 2023
- an independent thinker who challenged a number of traditional views on such ... At the same time, Boyle was convinced of the existence of God and ...20 KB (3,111 words) - 21:10, 16 April 2023
- Ribonucleic acid or RNA is a polymer or chain of nucleotide units ... several important roles in the process of translating genetic information ...21 KB (3,210 words) - 21:06, 16 April 2023
- nanometers (nm) (15.7-27.6 millionths of an inch)). In a scientific ... The study of light and its interaction with matter is termed optics ...39 KB (6,028 words) - 01:15, 26 October 2022
- all concentrations. It was once known as oil of vitriol, a term coined by the ... million tonnes, with an approximate value of $8 billion. Principal uses ...31 KB (4,778 words) - 21:53, 26 February 2023
- Mercury, also called quicksilver (chemical symbol Hg, atomic number ... Natural deposits of mercury-bearing minerals, usually in the form ...41 KB (5,903 words) - 16:12, 9 November 2022
- important semiconductor, though dozens of others are important as well. that exploit the electronic properties of semiconductor materials, principally ...37 KB (5,657 words) - 17:50, 25 January 2023
- The Galilean moons are the four moons of Jupiter discovered by Galileo ... Galileo’s discovery showed the importance of the telescope as a tool for ...25 KB (3,695 words) - 03:54, 18 April 2024
- lit. “capital capital,” or “capital of capitals") was the Imperial ... Kyoto is known as one of the academic centers of Japan, and is home ...36 KB (5,281 words) - 04:01, 6 October 2022
