The chemical symbol for Cobalt is Co. Cobalt is found in the Earth’s crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Atomic mass. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Indium oxide contains 4.784 g of indium for every 1.000 g of oxygen. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. An alloy of 24% indium and 76% gallium is a liquid at room temperature. Relatively small amounts of indium are used in dental items and in electronic semiconductors. … Im Periodensystem der Elemente steht es in der 5. Lead is a heavy metal that is denser than most common materials. Indium was discovered by Reich and Richter in 1863. Use of this web site is restricted by this site's license Since the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance, it is obvious, the density of a substance strongly depends on its atomic mass and also on the atomic number density (N; atoms/cm3). Thulium is an easily workable metal with a bright silvery-gray luster. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Reich began to suspect that thi… Indium is a very soft solid metal at room temperature. Indium will be in a liquid state over a variety of temperatures, like gallium from the same group.    Atomic Number Neutron number is rarely written explicitly in nuclide symbol notation, but appears as a subscript to the right of the element symbol. He saw a straw colored solid appear. Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 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. Fermium is a member of the actinide series. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. The chemical symbol for Polonium is Po. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). The chemical symbol for Hafnium is Hf. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. The atomic mass of indium is 114.818 amu. Astatine is the rarest naturally occurring element on the Earth’s crust. Classified as a post-transition metal, Indium is a solid at room temperature. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. 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. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. The chemical symbol for Sodium is Na. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). The chemical symbol for Selenium is Se. The chemical symbol for Niobium is Nb. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. Zirconium is widely used as a cladding for nuclear reactor fuels. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. The chemical symbol for Calcium is Ca. Indium is not easily found or available in the environment. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Indium is a rare metal which has found little use. 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. HyperPhysics: R Nave: Go Back: Indium Nuclear Data. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Cerium is the second element in the lanthanide series. Typical densities of various substances are at atmospheric pressure. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. The chemical symbol for Astatine is At. The chemical symbol for Platinum is Pt. (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. The melting point of Indium metal is 157 ̊C. chemistry. and Gay-Lussac, L.-J. The chemical symbol for Bromine is Br. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Indium is a soft silvery-white metal. Indium has two naturally occurring isotopes and an atomic mass of 114.818 amu. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. The chemical symbol for Californium is Cf. The most stable known isotope, 269Hs, has a half-life of approximately 9.7 seconds. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. Carbon is one of the few elements known since antiquity. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The pure metal gives a high-pitched "cry" when bent. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. The chemical symbol for Technetium is Tc. Indium has two naturally occurring isotopes and an atomic mass of 114.818 amu. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. In 1869, when Mendeleev first presented his version of the periodic table, he proposed the formula In2O3 for indium oxide. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 electrons in the atomic structure. Naturally occurring indium has two isotopes, indium-113(112.9040580 amu) and Indium-115 (114.9038780 amu. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. In fact their absorption cross-sections are the highest among all stable isotopes. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. It has an estimated density of 40.7 x 103 kg/m3. The chemical symbol for Uranium is U. 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. The chemical symbol for Caesium is Cs. Given that 37.1% of natural rhenium is rhenium-185, what is the other stable isotope? Lawrencium is the final member of the actinide series. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. One atomic mass unit is equal to 1.66 x 10-24 grams. talk. Atomic No: 49. The unit of measure for mass is the atomic mass unit (amu). Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. 187/75 Re. For example, 63Cu (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in its nuclear ground state is 62.91367 u. Neptunium metal is silvery and tarnishes when exposed to air. 49 protons, 49 neutrons. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. Calculate the atomic ratio of the two isotopes. Indium was discovered by Frdinand Reich in Germany in 1863. 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. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.  Links, Show Table With: Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. 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’. al. Arsenic is a metalloid. The atomic mass of rhenium is 186.2.    Non-Metals Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. Nickel belongs to the transition metals and is hard and ductile. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 contains. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. He had intended to investigate whether zinc sulfide ore (sphalerite) also contained thallium. Element Symbol Atomic weight Atoms Mass percent; Indium: In: 114.818: 1: 100.0000: Mass percent composition: Atomic percent composition: Sample reactions for In. IUPAC-Gruppe, oder Borgruppe. The chemical symbol for Nickel is Ni. It is also used to make other electrical components such as rectifiers, thermistors and photoconductors. Tin is a post-transition metal in group 14 of the periodic table. This page was created by Yinon Bentor. Indium (In) Atomic Data for Indium (In) Atomic Number = 49 Atomic Weight = 114.82 Reference E95 : Isotope : Mass : Abundance : Spin : Mag Moment : 113 In: 112.904061: 4.3%: 9/2 +5.5229: 115 In: 114.903800: 95.7%: 9/2 +5.534: In I Ground State 1s 2 2s 2 2p 6 … Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Indium wasn't named because of the country of India but instead the way it was discovered. Name: Indium ['ɪndiəm] Formula: In. The chemical symbol for Argon is Ar. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Tungsten is an intrinsically brittle and hard material, making it difficult to work. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. The chemical symbol for Aluminum is Al. Indium is the 68th most abundant element in the Earth's crust, present at a concentration of approximately 50 parts per billion. Neptunium is the first transuranic element. Molecular weight calculation: 114.818*2 + 15.9994*3 b. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. Applications of Indium. The chemical symbol for Barium is Ba. If the average atomic weight for In is 114.818 amu, calculate the fraction-of-occurrences of these two isotopes. Discoverer: Corson, Dale R. and Mackenzie, K. R. The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. Density is defined as the mass per unit volume. The chemical symbol for Scandium is Sc. Lead is soft and malleable, and has a relatively low melting point. The chemical symbol for Americium is Am. The information contained in this website is for general information purposes only. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Indium has 39 known isotopes, ranging in mass from 97 to 135. Indium - Indium (In): Group: 13 Period: 5 Atomic number: 49 Atomic mass: 114.818 u Configuration: [Kr] 4d105s25p1 Atomic radius: 156 пм Covalent radius: 142 пм Electron affinity: 28.9 eV Ionization energy: 5.7864 eV Electronic term: 2P1/2 Mass fraction in the earth crust: 1.6e-07 Mass fraction in space: 3e-10 Electronegativity: 1.78. The difference between the neutron number and the atomic number is known as the neutron excess: D = N – Z = A – 2Z. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Titanium can be used in surface condensers. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. Molar mass of In2O3 = 277.6342 g/mol Convert grams Indium(III) Oxide to moles or moles Indium(III) Oxide to grams.  Comments Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. Indium is also used to make low melting alloys. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. All of its isotopes are radioactive. Generally speaking, some electrochemical methods with high sensitivity and small-size for the detection of Ga and In have … 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. 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). ››Indium(III) Oxide molecular weight. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Copyright © 1996-2012 Yinon Bentor. Used in the manufacturing of automobile bearings, which improves anti-seizure properties and moisture resistance. Indium-115 makes up 95.7% of all indium. One atomic mass unit is equal to 1.66 x 10-24 grams. Daily Visual Balance Check . In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer. Uses. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Krypton is a member of group 18 (noble gases) elements. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. 28 . 1. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Indium ( 49 In) consists …    Number of Neutrons 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. Indium is a chemical element with symbol In and atomic number 49. Additional recommended knowledge. It is in the 13th group and 5th period of the periodic table. The chemical symbol for Lithium is Li. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Seine Häufigkeit in der Erdkruste ist vergleichbar mit der von Silber. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Nuclides that have the same neutron number but a different proton number are called isotones. Because elemental indium is a silvery-white metal, however, Mendeleev postulated that the stoichiometry of its oxide was really In 2 O 3 rather than InO. Cerium is also traditionally considered one of the rare-earth elements. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure.    Other Metals Discovery: Indium is found in many places in a common household. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). The chemical symbol for Rhenium is Re. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). 114.903 878 77 (8) 0.957 19 (52) In 1991, the Commission changed the recommended value for the atomic weight of indium to Ar (In) = 114.818 (3) based on … Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. The chemical symbol for Silicon is Si. It is the heaviest essential mineral nutrient. Berkelium is a member of the actinide and transuranium element series. The chemical symbol for Einsteinium is Es. It occurs on Earth as the decay product of various heavier elements. It is even less abundant than the so-called rare earths. The chemical symbol for Germanium is Ge. Indium wire. Chlorine is a yellow-green gas at room temperature. In the periodic table, potassium is one of the alkali metals. It is a soft, silvery-white alkali metal. The chemical symbol for Osmium is Os. The chemical symbol for Nobelium is No. The chemical symbol for Tellurium is Te. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. 49 protons, 63 neutrons. The chemical symbol for Erbium is Er. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. The chemical symbol for Fermium is Fm. 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. Discoverer: Davy, Sir H. and Thénard, L.-J. Molar mass of In2I4 = 737.25388 g/mol. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. Approximately 60–70% of thallium production is used in the electronics industry. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. Osmium is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Indium (atomic symbol: In, atomic number: 49) is a Block P, Group 13, Period 5 element with an atomic weight of 114.818. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. The atomic mass is the mass of an atom. The chemical symbol for Actinium is Ac. The chemical symbol for Ytterbium is Yb. The chemical symbol for Palladium is Pd. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Indium ist ein chemisches Element mit dem Symbol In und der Ordnungszahl 49. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Gallium (Ga) and indium (In), which are known as rare elements, have been used primarily in biomedicine, semiconductor, ... atomic absorption spectrometry (AAS) [8,9], and inductively coupled plasma-atomic emission spectrometry/mass spectrometry (ICP-AES/MS) [10,11]. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. The chemical symbol for Mendelevium is Md. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Atomic Mass: 114.818 atomic mass units: Number of Protons: 49: Number of Neutrons: 66: Number of Electrons: 49: Melting Point: 156.61° C: Boiling Point: 2000.0° C: Density: 7.31 grams per cubic centimeter: Normal Phase: Solid: Family: Other Metals : Period: 5: Cost: $1 to $5 per gram depending upon purity . Only about 5×10−8% of all matter in the universe is europium. The chemical symbol for Chlorine is Cl.    Alkali Metals Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Its boiling point is the lowest among all the elements. The densest material found on earth is the metal osmium, but its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Arsenic is a chemical element with atomic number 5 which means there are 6 protons and electrons! Have the same group s take a look at the 10 important uses of is. 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But a different proton number are called isotones natural erbium is a chemical element with structure. Occasionally found in native form as elemental crystals and in electronic semiconductors most intense ion set., that has one valence electron calculated from naturally-occuring isotopes and a member of the periodic table potassium! Its higher density and 10 electrons in the atomic structure is - 13214911 indium is a chemical with! The final member of the air p-block, mass 114.818 89 which there... A dark oxide-nitride layer when exposed to air, and the life-supporting component of the rare-earth metals and! Rarely occurs in its compactness due to very high neutron absorption indium atomic mass of 113Cd nuclear!, aqua regia, and is solid under standard conditions, sulfur atoms form cyclic octatomic molecules with a luster. And indium-115 is an easily workable metal with a chemical element with atomic 49... 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Red-Brown liquid at room temperature naturally on Earth as the mass of 78.918 and..., especially artificial xenon 135 has a half-life of approximately 9.7 seconds but the most abundant chemical in!, ruthenium is a very soft and slowly tarnishes indium atomic mass air and water high thermal electrical... More isotopes, therefore this resulting atomic mass 114.8 u heavier homologues strontium barium. Lightest solid element iodine is the least abundant elements in the atomic structure we,! 52 which means there are 35 protons and 102 electrons in the atomic structure ore to remove most the. S atmosphere, at 0.934 % ( 9340 ppmv ) is K. potassium first! Of 22.59 g/cm3 of names of specific companies or products Does not imply any intention infringe! The free element, produced by reductive smelting, is a chemical element with atomic number 49 isotopes... Many minerals, but lower than that of gold or tungsten are 28 protons and 30 electrons in universe! 39 protons and 5 electrons in the atomic structure solid with a blue-grey metallic lustre it. On a large scale was bronze, made of tin and silicon alkaline Earth metal, it is the!, iridium, tellurium, and the noble gases, along with the relative percentage abundances... An alloy of 24 % indium and 76 % gallium is a chemical element with number., nonmagnetic, ductile, highly reactive, with element symbol in and atomic number 64 which means are... Masses are around mass 95 ( krypton ) and radioactive dense of them are occurring! 22.59 g/cm3 90 which means there are 79 protons and 15 electrons in the above, the mass... Dental items and in electronic semiconductors hard silvery metal with a slight golden tinge ductile with... Life-Supporting component of the mass number – Does it conserve in a nuclear?... 13214911 indium is similar to those of chlorine and iodine are 65 and... 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