Neon, atomic number 10 B. Boron, atomic number 5 C. Carbon, atomic number 6 D. Fluorine, atomic number 9 Weegy: Neon, atomic number 10, is a stable element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. The chemical symbol for Aluminum is Al. The chemical symbol for Zinc is Zn. The chemical symbol for Selenium is Se. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. It is one of the least reactive chemical elements and is solid under standard conditions. The chemical symbol for Radon is Rn. The chemical symbol for Californium is Cf. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Titanium can be used in surface condensers. It is isolated mainly by the distillation of liquid air. Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Although neodymium is classed as a rare earth, it is a fairly common element. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. en: Neon – de ... chemical element with symbol Ne and atomic number 10. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. The chemical symbol for Neptunium is Np. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. If you continue to use this site we will assume that you are happy with it. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. Neon is a colorless looking chemical element and belongs to the group of noble gases. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. It is extensively used for producing so called neon lights, primarily for decorative and advertising purposes. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. For example if the input number is 9, its square is 9*9 = 81 and sum of the digits is 9. i.e. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. The chemical symbol for Curium is Cm. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. The chemical symbol for neon is Ne. Platinum is one of the least reactive metals. It is the heaviest essential mineral nutrient. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. Compounds. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Neon: description Your user agent does not support the HTML5 Audio element. It represents the closing of the n=2 shell of electrons. Thulium is an easily workable metal with a bright silvery-gray luster. The chemical symbol for Molybdenum is Mo. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Chemical symbol for Neon is Ne. Symbol: Ne; atomic weight: 20.183; atomic number: 10; density: 0.9002 grams/liter at 0°C and 760 millimeters pressure. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Francium is a chemical element with atomic number 87 which means there are 87 protons and 87 electrons in the atomic structure. The chemical symbol for Mercury is Hg. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Pure germanium is a semiconductor with an appearance similar to elemental silicon. It is found in the atmosphere at a concentration of about 0.002% . Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. The atomic weight and its uncertainty refer to atmospheric Ne. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. In fact their absorption cross-sections are the highest among all stable isotopes. It is a chemical element with symbol Ne and atomic number 10. Number of protons in Neon is 10. Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. The following ions are known: Ne +, (NeAr) +, (NeH) +, (HeNe) +.Neon is known to form an unstable hydrate. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Neon is a very inert element, however, it has been reported to form a compound with fluorine. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. Neon is an element that is important for producing some types of lasers, electrical indicators, equipment for sports (especially water-sports), and so on. Its relative atomic mass is 20.1797. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Boiling point: minus 410.94 degrees F (minus 246.08 degrees C) 8. It occurs on Earth as the decay product of various heavier elements. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atom’s electrons has been assigned a unique set of quantum numbers. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Neon, atomic number 10 B. Neon atoms have 10 electrons and the shell structure is 2.8. Atomic Number of Neon is 10. Neon turns bright red when charged with the electric current. Uranium has the highest atomic weight of the primordially occurring elements. The chemical symbol for Cadmium is Cd. The chemical symbol for Nitrogen is N. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. In very small amounts, neon can be found in air, especially in northern parts of the atmosphere of our planet. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Cerium is also traditionally considered one of the rare-earth elements. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. The chemical symbol for Scandium is Sc. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. Californium is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium). Lawrencium is the final member of the actinide series. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. The atomic number of neon is 10. With the name which comes from a Greek word meaning new, neon is a noble gas that has ho odor and color, non-toxic and biologically not very important. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. The chemical symbol for Neon is Ne. Zinc is a chemical element with atomic number 30 which means there are 30 protons and 30 electrons in the atomic structure. The chemical symbol for Silicon is Si. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Holmium is a relatively soft and malleable silvery-white metal. The chemical symbol for Argon is Ar. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. 9 is a neon number. Atomic number (number of protons in the nucleus): 10 2. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. It is still questionable if true compounds of neon exist, but evidence is mounting in favor of their existence. Number of isotopes (atoms … In nuclear reactors, promethium equilibrium exists in power operation. Zirconium is widely used as a cladding for nuclear reactor fuels. The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. The chemical symbol for Praseodymium is Pr. We use cookies to ensure that we give you the best experience on our website. Thorium is moderately hard, malleable, and has a high melting point. The chemical symbol for Barium is Ba. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. At 293 degrees Kelvin, neon has a density of 0.90 grams per cubic centimeter. Melting point of Neon is -248,7 °C and its the boiling point is … Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. The metal is found in the Earth’s crust in the pure, free elemental form (“native silver”), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. They are also used as Nixie tubes which are electronic devices to display numerals or other info using glow discharge. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. The chemical symbol for Arsenic is As. Technetium is the lightest element whose isotopes are all radioactive; none are stable. Approximately 60–70% of thallium production is used in the electronics industry. The chemical symbol for Bismuth is Bi. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. Atomic weight of Neon is 20.1797 u or g/mol. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. The chemical symbol for Germanium is Ge. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. The chemical symbol for Actinium is Ac. The chemical symbol for Chlorine is Cl. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. The chemical symbol for Niobium is Nb. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Density: 0.0008999 grams per cubic centimeter 5. The chemical symbol for Thorium is Th. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Neptunium is the first transuranic element. Chemical symbol for Neon is Ne. Neon is a chemical element with atomic number 10 which means there are 10 protons in its nucleus. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons . A freshly exposed surface of pure copper has a reddish-orange color. The chemical symbol for Promethium is Pm. It is a soft, silvery-white alkali metal. It is the electrons that are responsible for the chemical bavavior of atoms, and which identify the various chemical elements. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. The chemical symbol for Platinum is Pt. Einsteinium is the seventh transuranic element, and an actinide. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, Jöns Jacob/Klaproth, Martin Heinrich. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. The name samarium is after the mineral samarskite from which it was isolated. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Atomic Mass of Neon Atomic mass of Neon is 20.1797 u. www.nuclear-power.net. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Thallium is a soft gray post-transition metal is not found free in nature. Its extreme rarity in the Earth’s crust, comparable to that of platinum. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. The chemical symbol for Lutetium is Lu. Titanium is a lustrous transition metal with a silver color, low density, and high strength. Because of its high chemical reactivity, barium is never found in nature as a free element. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. 1. Neptunium metal is silvery and tarnishes when exposed to air. The chemical symbol for Iridium is Ir. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Neon (Ne), a chemical element and a tasteless, odorless, colorless inert gas of Group 18, is especially used for electric signs (neon signs), fluorescent lighting, high-voltage indicators, television tubes and wave meter tubes. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. The ground state electronic configuration of neutral neon is [He].2s 2.2p 6 and the term symbol of neon is 1 S 0.. In addition, neon lighting is used by artists. Neon was discovered in 1898 by the scientists Sir William Ramsay and Morris Travers who had recently discovered another Group 18 element Krypton. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. The chemical symbol for Ruthenium is Ru. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The chemical symbol for Europium is Eu. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. It has a melting point of -248.6 degrees Celsius and a boiling point of -246.1 degrees Celsius. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. at 0℃ and one atmosphere pressure. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. The chemical symbol for Polonium is Po. Atomic weight (average mass of the atom): 20.1797 4. Six other unstable isotopes are known. Thulium is the thirteenth and third-last element in the lanthanide series. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. The chemical symbol for Calcium is Ca. Lead is a heavy metal that is denser than most common materials. Neon Properties: The melting point of neon is -248.67°C, boiling point is -246.048°C (1 atm), density of gas is 0.89990 g/l (1 atm, 0°C), density of liquid at b.p. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Tellurium is far more common in the universe as a whole than on Earth. Number of protons in Neon is 10. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. The chemical symbol for Oxygen is O. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. All of its isotopes are radioactive. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Neon, argon, krypton, and xenon are obtained from air in an air separation unit using the methods of liquefaction of gases and fractional distillation. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Astatine is a chemical element with atomic number 85 which means there are 85 protons and 85 electrons in the atomic structure. The chemical symbol for Silver is Ag. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. The chemical symbol for Nobelium is No. The chemical symbol for Technetium is Tc. A neon number is a number where the sum of digits of square of the number is equal to the number. Neon (Ne) exists as a colourless, odourless gas and is chemically inert. The nucleus is composed of protons and neutrons. Neon has an atomic number of 10, meaning that one atom of neon contains 10 protons and 10 electrons. Krypton is a member of group 18 (noble gases) elements. Melting point of Neon is -248,7 °C and its the boiling point is -246,1 °C. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Chemically, indium is similar to gallium and thallium. Liquid neon is commonly used as a cryogenic refrigerant. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. In a neutral atom there are as many electrons as protons moving about nucleus. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. A. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. The chemical symbol for Einsteinium is Es. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Europium is one of the least abundant elements in the universe. 113Cd has specific absorption cross-section. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. 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