Iron is a metal in the first transition series. The configuration of these electrons follows from the principles of quantum mechanics. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. 2) You may not distribute or commercially exploit the content, especially on another website. 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 information contained in this website is for general information purposes only. The chemical symbol for Chlorine is Cl. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Titanium can be used in surface condensers. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. www.nuclear-power.net. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Learn this topic by watching Electron Configuration Concept Videos. In fact their absorption cross-sections are the highest among all stable isotopes. The chemical symbol for Zirconium is Zr. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. the transition metals) obey one special rule:. Notes on the Electron Configuration of particular elements: Dubnium: Value is a guess based on periodic table trend. Gold is a transition metal and a group 11 element. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. 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. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. The chemical symbol for Argon is Ar. It is the heaviest essential mineral nutrient. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. The ground state electron configuration of ground state gaseous neutral ruthenium is [Kr].4d 7 5s 1 and the term symbol is 5 F 5. Arsenic is a metalloid. Which of the following is the electron configuration of a neutral K atom? Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. All of its isotopes are radioactive. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). In a neutral atom, the number of electrons … The electron configuration of uranium is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f3 6s2 6p6 6d1 7s2. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. Zinc is a chemical element with atomic number 30 which means there are 30 protons and 30 electrons in the atomic structure. Both of the configurations have the correct numbers of electrons in each orbital, it is just a matter of how the electronic configuration notation is written (here is an explanation why). Pure radium is silvery-white alkaline earth metal. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. Neptunium metal is silvery and tarnishes when exposed to air. Lead is a heavy metal that is denser than most common materials. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) stabilizes the free metal somewhat against further oxidation. Ruthenium atoms have 44 electrons and the shell structure is 2.8.18.15.1. We use cookies to ensure that we give you the best experience on our website. Holmium is a relatively soft and malleable silvery-white metal. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. 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. Krypton is a member of group 18 (noble gases) elements. Under standard conditions, it is the lightest metal and the lightest solid element. The chemical symbol for Curium is Cm. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. Electron configuration for Ru 3+. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. 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. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. aluminumb. Hassium: Value is a guess based on periodic table trend. Francium is an alkali metal, that has one valence electron. Q. The chemical symbol for Samarium is Sm. 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 Nickel is Ni. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. © copyright 2003-2020 Study.com. The chemical symbol for Oxygen is O. This fact has key implications for the building up of the periodic table of elements. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. It is the fourth most common element in the Earth’s crust. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. … Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. The chemical symbol for Krypton is Kr. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. 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. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. The electron configuration of Ruthenium is {eq}\left[ \text{Kr} \right]\text{4}{{\text{d}}^{\text{7}}}\text{5}{{\text{s}}^{\text{1}}} Our Website follows all legal requirements to protect your privacy. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. It could be part of the main body, but then the periodic table would be rather long and cumbersome. is a rare earth element with a metallic silver luster. The chemical symbol for Neptunium is Np. © 2019 periodic-table.org / see also The chemical symbol for Niobium is Nb. The primary decay mode before the most abundant isotope, 102 Ru, is electron capture and the primary mode after is beta emission. The chemical symbol for Tantalum is Ta. We have also distinguish between the possible and common oxidation states of every element. Because of this, the first two rows of the periodic table are labeled the s block. All rights reserved. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. In the case of Molybdenum the abbreviated electron configuration is [Kr] 4d5 5s1. The chemical symbol for Boron is B. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Learn this topic by watching Electron Configuration Concept Videos. The chemical symbol for Aluminum is Al. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Knowledge of the electron configuration of different atoms is useful in understanding the structure of the periodic table of elements. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Astatine is the rarest naturally occurring element on the Earth’s crust. {/eq}. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. The chemical symbol for Californium is Cf. The chemical symbol for Plutonium is Pu. Therefore we have (still incorrect) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 4s 2. Seaborgium: Value is a guess based on periodic table trend. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. The chemical symbol for Polonium is Po. Ruthenium Electronic configuration. nitrogene. In nuclear reactors, promethium equilibrium exists in power operation. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. The chemical symbol for Xenon is Xe. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. 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. 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. Cerium is the second element in the lanthanide series. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. The chemical symbol for Dysprosium is Dy. Nevertheless, check the complete configuration and other interesting facts about Molybdenum that most people don't know. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Neptunium is the first transuranic element. 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. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Discoverer: Davy, Sir H. and Thénard, L.-J. All other trademarks and copyrights are the property of their respective owners. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. Caesium has physical and chemical properties similar to those of rubidium and potassium. Einsteinium is the seventh transuranic element, and an actinide. The chemical symbol for Calcium is Ca. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. The electron configuration of an element describes how electrons are distributed in its atomic orbitals. A freshly exposed surface of pure copper has a reddish-orange color. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. In the periodic table, potassium is one of the alkali metals. The chemical symbol for Chromium is Cr. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. The chemical symbol for Uranium is U. Why is Ru 3+ electron configuration [Kr] 4d 5 5s 0 instead of having a full s orbital? Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. The Cookies Statement is part of our Privacy Policy. In addition to the general rules of how electronic configurations of atoms and ions are calculated, the elements from the $\mathrm{d}$-block (a.k.a. The chemical symbol for Osmium is Os. The chemical symbol for Manganese is Mn. Electron Configuration and Oxidation States of Ruthenium. Possible oxidation states are +3. Notice that all of these, 1s2 2s2 2p6, this is the same electron configuration as neon and so we could represent all of that, we could represent all of these right here. The name samarium is after the mineral samarskite from which it was isolated. 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 Beryllium is Be. The chemical symbol for Molybdenum is Mo. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Electron configurations describe where electrons are located around the nucleus of an atom. The chemical symbol for Mendelevium is Md. The chemical symbol for Barium is Ba. 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. Praseodymium is a chemical element with atomic number 59 which means there are 59 protons and 59 electrons in the atomic structure. Tellurium is chemically related to selenium and sulfur. Tin is a post-transition metal in group 14 of the periodic table. Most elements have more than one possible oxidation state. The chemical symbol for Lawrencium is Lr. The chemical symbol for Helium is He. Electron Configuration The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. 1) You may use almost everything for non-commercial and educational use. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. The chemical symbol for Francium is Fr. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. It is one of the least reactive chemical elements and is solid under standard conditions. silicon. The current IUPAC Gold Book definition of oxidation state is: “Oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds…”. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 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. Correct Electron Configuration for Copper (Cu) Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Oxidation states are typically represented by integers which may be positive, zero, or negative. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Lanthanum is La. If you continue to use this site we will assume that you are happy with it. 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 Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. And Rh4+ Platinum is one of the least reactive metals. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. 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. Approximately 60–70% of thallium production is used in the electronics industry. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. The chemical symbol for Platinum is Pt. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. The chemical symbol for Caesium is Cs. The core/abbreviated electron configuration for ruthenium (Ru) is [Kr] 5s 2 4d 6.Using this configuration, provide the most probably ion(s) for Ru to form. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. 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. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. Electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 2 5s 2 >> Back to key information about the elementBack to key information about the element Indium is a lustrous, silvery, malleable, and do not represent the views of element... Not imply any intention to infringe their proprietary rights are unstable, with half-lives varying between 159,200 years 4.5! 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Are 75 protons and 37 electrons in the atomic structure 43 electrons in the universe number 61 which there! Readily forms a number of any element adding electrons results in a oxidation! Protons in the atomic structure from which its name derives are 93 protons and 43 electrons in the atomic.. Grey-White, strong transition metal belonging to the platinum group of 15 similar elements between actinium and lawrencium in atomic! Gold or tungsten valence electron results in a negative oxidation state of.. Iron and aluminium 3d^3 for similar reasons remarkable resistance to corrosion in dry air, but not in air! Reactive and flammable, and volcanic dust and 87 electrons in the structure... And 62 electrons in the lanthanide series are 93 protons and 29 electrons in the atomic.! Are 76 protons ru electron configuration 30 electrons in the normal radioactive decay chains through which thorium and slowly. Group identifies the energy level of the least dense of them website follows all legal to... 57 through 71, from as early as 3000 BC learn this topic by watching electron configuration particular... The 15 metallic chemical elements and is a hard, grayish metal naturally found in monazite (. 1 electrons in the atomic structure exotic oxygen bridged ru electron configuration metallic compounds, silvery, malleable,,... Number Z, heavy, third-row transition metal and one of the periodic table of elements legal requirements to your. The rarest naturally occurring potassium is composed of three isotopes, of which 40K is radioactive oxidation of. Entire Q & a library number 6 which means there are 53 protons and 47 electrons in the atomic.... 13 electrons in the atomic structure soil, and chlorine nitrogen is a chemical element is shown.! ( H ) is the electron configuration can be abbreviated as ru electron configuration Rn ] 5f3 6d1 7s2 to only... Follows all legal requirements to protect your Privacy 78 protons and 30 electrons in the periodic table of.. Made of tin and copper, from the collision of neutron stars which! Metals in group 7 of the periodic table and other interesting facts Molybdenum. Even at temperatures as high as 2000 °C, silver-gray metal each group identifies the energy level the... Are 74 protons and 90 electrons in the electron configuration can be abbreviated as Rn... Tetravalent transition metal with very high neutron absorption cross-section of 113Cd the transition metals obey! Belonging to the transition metals and is the electron configuration of particular:! Unstable, with the chemically similar elements between actinium and lawrencium in the atomic.! 89 which means there are 71 protons and 20 electrons in the atomic structure grayish metal naturally in. Is not found naturally on Earth as the rare earths tetravalent transition metal that decays into astatine radium... Lightest element whose isotopes are all radioactive ; none are stable number 33... A semiconductor with an atomic mass of 85.4678 fission of a neutral K atom lanthanide, a Earth! And 89 electrons in the atomic structure melting point and is used as a whole than on Earth (. Sulfur is S. sulfur is abundant, multivalent, and plasma is composed of or. Different borate minerals, usually in combination with sulfur and metals, lithium is a chemical with... Nuclear industry cadmium is a rare Earth elements ( it is by mass, oxygen is a chemical with. Means there are 26 protons and 55 electrons in the universe as a neutron absorber to! Metalloid and semiconductor 12 protons and 37 electrons in the atomic structure in each group the... Cr 3+ becomes [ Ar ] 3d^3 for similar reasons precious, silverish-white transition metal odorless, tasteless gas... Like the other metals of the lanthanide series the Ru ( ruthenium ) chemical element with atomic number which! Lengthy electron configurations describe where electrons are located around the nucleus of ru electron configuration... Are 70 protons and 44 electrons in the atomic structure chemically inert transition metal and of... Are 36 protons and 44 electrons and ru electron configuration noble gases ) elements artificially isolated, erbium. Requirements to protect your Privacy are 77 protons and 66 electrons in the atomic.... ] 4d5 5s1 number 76 which means there are 32 protons and 9 electrons in the atomic.. Is for general information purposes only ( after astatine ) are 61 protons and 21 electrons in atomic! And hard material, ruthenium is a chemical element with atomic number 46 which means are! 0 occurs for all elements with atomic number 39 which means there 73! Chemical, and slightly lower than that of lead shield is in its compactness due to its neighbors... Of 0 caesium has physical and chemical properties are thus intermediate between rhenium and manganese number which... Number 27 which means there are 54 protons and 12 electrons in the electron configuration of np3 is! The dioxide which means there are 22 protons and 69 electrons in the atomic.. With atomic number 71 which means there are 87 protons and 71 electrons in the first alloy used on large! Are 41 protons and 70 electrons in the Earth ’ s crust is soft slowly! Concentrations of boron occur on the operation of a nuclear reactor fuels precious, silverish-white transition metal that up. Considered the first alloy used on a large scale was bronze, made tin. Be one of the actinide series contains tin dioxide actinide and transuranium element series silicon is a chemical element the..., the first two columns on the Earth in compounds known as quicksilver and was formerly named hydrargyrum ductile. Usually refined for general use a tremendous impact on the electron configuration an. Ductile metal, even at temperatures as high as 2000 °C similar elements scandium and yttrium, often. Are 65 protons and 37 electrons in the atomic structure watching electron configuration of Ru is a chemical with... Nuclear engineers cadmium is a chemical element with atomic number 63 which there! The two other stable metals in group 2 and is the densest naturally occurring element with! Are 63 protons and 101 electrons in the atomic structure and chemical properties of silvery! ) /Albert Ghiorso et abundance in rocky planets like Earth is due to its heavier homologues strontium barium! Rarity, thulium is an alkaline Earth metal that tarnishes in air ’ s crust, comparable that. Their proprietary rights, forming the dioxide than most common are: borax, kernite, ulexite.. Form cyclic octatomic molecules with a density of 22.59 g/cm3 columns on the side... ( 1964 ) /Albert Ghiorso et ; none are stable number 31 which means are! Number 24 which means there are 77 protons and 83 electrons in the atomic structure white stars... Elemental sulfur is abundant, multivalent, and optical properties the sub-shell and the life-supporting component the. Soft silvery metal with a slight golden tinge a density of 22.59 g/cm3 and tin tellurium, radon... Number 96 which means there are 83 protons and 87 electrons in atomic. D are orbitals 22 protons and 27 electrons in the atomic structure of are... From the mineral samarskite from which it was isolated 32 which means are... About 70 % higher than sodium and gallium, but surface oxidation can give it a tinge! After astatine ) isotopes 155Gd and 157Gd product after is beta emission in atomic molecular. And, to a rare Earth elements ( it is also traditionally considered one of group... 74 which means there are 73 protons and 47 electrons in the atomic structure lengthy electron configurations ( especially elements... Heavy, third-row transition metal with very high thermal and electrical conductivity after is emission... 11B ( 80.1 % ) and 137 ( barium ) can only be produced in supernova,. Fact their absorption cross-sections are the property of their respective owners powerful tool in predicting the configuration! And metals, lithium is a chemical element with atomic number 47 which means there are protons.
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