Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. 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. Electronic Configuration: The number of an electron of a molecule arrange in an atomic orbital is known as electronic configuration. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Titanium can be used in surface condensers. The chemical symbol for Lead is Pb. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. It is one of the least reactive chemical elements and is solid under standard conditions. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. and the term oxidation number is nearly synonymous. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. The chemical symbol for Silicon is Si. A change like this, where an electron is lost, is an example of oxidation. The chemical symbol for Barium is Ba. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. www.nuclear-power.net. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. Since the 3s if now full we'll move to the 3p where we'll place the next six electrons. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The bulk properties of astatine are not known with any certainty. The chemical symbol for Holmium is Ho. For example, silicon has nine possible integer oxidation states from −4 to +4, but only -4, 0 and +4 are common oxidation states. Multiple-site search is loading. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. The chemical symbol for Samarium is Sm. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. The chemical symbol for Antimony is Sb. Its extreme rarity in the Earth’s crust, comparable to that of platinum. The chemical symbol for Sodium is Na. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Berkelium is a member of the actinide and transuranium element series. Chlorine is a yellow-green gas at room temperature. Its properties are thus intermediate between those of chlorine and iodine. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Platinum is one of the least reactive metals. Praseodymium is a chemical element with atomic number 59 which means there are 59 protons and 59 electrons in the atomic structure. Nevertheless, check the complete configuration and other interesting … It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. Lead is widely used as a gamma shield. Thulium is an easily workable metal with a bright silvery-gray luster. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. 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. The chemical symbol for Mendelevium is Md. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Most elements have more than one possible oxidation state. The chemical symbol for Copper is Cu. Thus, electronic configuration of argon is . Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Since 1s can only hold two electrons the next 2 electrons for Potassium go in the 2s orbital. Tin is a post-transition metal in group 14 of the periodic table. 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. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. The chemical symbol for Actinium is Ac. The chemical symbol for Hafnium is Hf. The chemical symbol for Calcium is Ca. In writing the electron configuration for Potassium the first two electrons will go in the 1s orbital. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Sodium is a soft, silvery-white, highly reactive metal. In nuclear reactors, promethium equilibrium exists in power operation. It is even less abundant than the so-called rare earths. The chemical symbol for Titanium is Ti. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. Potassium-ion K+ means it has lost one electron and has only 18 electrons in the orbitals. and Gay-Lussac, L.-J. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. The chemical symbol for Nitrogen is N. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. The electronic configuration of potassium is [Ar] 4s1. Possible oxidation states are +1. The first two columns on the left side of the periodic table are where the s subshells are being occupied. The chemical symbol for Americium is Am. 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. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. The chemical symbol for Iron is Fe. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. We assume no responsibility for consequences which may arise from the use of information from this website. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. The chemical symbol for Niobium is Nb. Potassium atoms have 19 electrons and the shell structure is 2.8.8.1. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. The chemical symbol for Lawrencium is Lr. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). - 25861540 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. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Hence, the electron configuration of potassium (K) is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 Potassium ion is formed by losing an electron. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. The next six electrons will go in the 2p orbital. This is a good question. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. Nickel is a silvery-white lustrous metal with a slight golden tinge. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. What is the electronic configuration of potassium ? Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. It occurs on Earth as the decay product of various heavier elements. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. The chemical symbol for Einsteinium is Es. The ground state electron configuration of ground state gaseous neutral potassium is [ Ar ]. The chemical symbol for Thulium is Tm. Our Website follows all legal requirements to protect your privacy. The chemical symbol for Neon is Ne. If you don’t have a chart, you can still find the electron configuration. The chemical symbol for Selenium is Se. The chemical symbol for Thallium is Tl. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Under standard conditions, it is the lightest metal and the lightest solid element. Neptunium is the first transuranic element. It is fairly soft and slowly tarnishes in air. Because of this, the first two rows of the periodic table are labeled the s block. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. The chemical symbol for Iridium is Ir. Write the electron configuration for a potassium ion. The chemical symbol for Silver is Ag. The chemical symbol for Rhodium is Rh. The chemical symbol for Lanthanum is La. The chemical symbol for Chlorine is Cl. al. Actinium is a soft, silvery-white radioactive metal. The chemical symbol for Neodymium is Nd. © 2019 periodic-table.org / see also So the electron configuration of potassium will involve 19 electrons. Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Fermium is a member of the actinide series. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. 10XX,52,11XX,17,12XX,7,13XX,4,15XX,16,3XXX,2,40XX,10,41XX,12,43XX,5,44XX,4,46XX,5,47XX,3,48XX,3,5XXX,23,6XXX,3,71XX,1,8XXX,22,92XX,5,93XX,1,94XX,4,98XX,2,AISI,66,ASTM,171,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Austenitic,56,Boiling-Point,94,CBS,6,Chemical-Elements,100,Chemical-Symbol,217,CMDS,13,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,CS,17,CVS,3,Density,309,Duplex,6,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,112,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Ferritic,12,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,LCS,21,List,281,Martensitic,6,MCS,17,MDS,14,Melting-Point,96,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,Period-Number,107,Properties,40,RCLS,1,RCS,16,RRCLS,3,RRCS,4,SAE,201,Site,2,SMS,5,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,SS,80,Tests,2,Thermal-Conductivity,105,Valence-Electrons,98. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. Explain. Radon is a radioactive, colorless, odorless, tasteless noble gas. It is occasionally found in native form as elemental crystals. Since 1s can only hold two electrons the remaining electron for Li goes in the 2s orbital. The chemical symbol for Europium is Eu. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. Iron is a metal in the first transition series. The chemical symbol for Uranium is U. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. Holmium is a relatively soft and malleable silvery-white metal. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. In writing the electron configuration for lithium the first two electrons will go in the 1s orbital. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Electron Configuration Chart for All Elements in the Periodic Table. Krypton is a member of group 18 (noble gases) elements. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. 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’. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Electronic configuration and the periodic table. Its salts are used as a fertilizer, oxidizer, colorant, to … Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. Therefore number of electrons = 19. Astatine is the rarest naturally occurring element on the Earth’s crust. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Period 4: Potassium - Krypton Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Helium - Electron Configuration and Oxidation States - He, Hydrogen - Electron Configuration and Oxidation States - H, Neon - Electron Configuration and Oxidation States - Ne, Argon - Electron Configuration and Oxidation States - Ar, Chlorine - Electron Configuration and Oxidation States - Cl, Sulfur - Electron Configuration and Oxidation States - S, Argon – Electron Configuration and Oxidation States – Ar, Calcium – Electron Configuration and Oxidation States – Ca. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Why does potassium have … Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Since there is only one possible ground state electron configuration for a neutral element, any other arrangement of potassium’s 19 electrons has a higher energy and is an excited state. Cerium is also traditionally considered one of the rare-earth elements. Maybe add your school logo, work team or anything else to maker your paper look cool? The chemical symbol for Astatine is At. It was first isolated from potash, the ashes of plants, from which its name derives. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. Holmium is a part of the lanthanide series, holmium is a rare-earth element. The chemical symbol for Argon is Ar. The chemical symbol for Berkelium is Bk. The chemical symbol for Californium is Cf. 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. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. 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. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. Oxidation states are typically represented by integers which may be positive, zero, or negative. Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.According to the older shell atomic model, electrons occupy several levels from the first shell nearest the nucleus, K, through the seventh shell, Q, farthest from the nucleus. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Only about 5×10−8% of all matter in the universe is europium. 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. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. [Xe] 6s2 for barium). Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. The chemical symbol for Molybdenum is Mo. The chemical symbol for Mercury is Hg. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. An element that is not combined with any other different elements has an oxidation state of 0. Best and easy explanation for Grade 7,8,9 & 10. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. 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. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. The chemical symbol for Potassium is K. Electron configuration of Potassium is [Ar] 4s1. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. For "K" and "Ca" specifically, their 3d orbitals are currently higher in energy than the 4s. The chemical symbol for Neptunium is Np. The electron configuration for a ground-state potassium atom is 1s22s22p63s23p64s1. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. It is a soft, silvery-white alkali metal. Europium is one of the least abundant elements in the universe. Because there is no need for potassium or calcium to use 3d orbitals, which would have contained up to 10 remaining electrons in the M "shell". In order to write the Potassium electron configuration, we first need to know the number of electrons for the K atom (there are 19 electrons). 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. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. There are 118 elements in the periodic table. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Number of orbit in argon = 3. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. which electron configuration represents an excited state for a potassium atom, In writing the electron configuration for Potassium the first two electrons will go in the 1s orbital. Need an editable periodic table to edit? Lead is a heavy metal that is denser than most common materials. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 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. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. This fact has key implications for the building up of the periodic table of elements. The chemical symbol for Helium is He. Here is a table of the electron configurations for elements 19-36, the fourth row of the periodic table. Nickel belongs to the transition metals and is hard and ductile. 113Cd has specific absorption cross-section. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Electron configuration of Potassium is [Ar] 4s1. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. 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. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. 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. The chemical symbol for Dysprosium is Dy. It is a noble metal and a member of the platinum group. It is the heaviest essential mineral nutrient. Filling order may at first seem unusual hard material, making it difficult to.... 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Are over 100, nobelium can only hold two electrons the remaining electron for goes... And 93 electrons in the atomic structure are most similar to its abundant production by fusion high-mass. Rare transition metal includes Concise form of electron configuration is [ Ar ] 4s1 radioactive decay chains of elements! Form cyclic octatomic molecules with a relatively low melting point of any company of industry! By bombarding lighter elements with charged particles two isotopes 155Gd and 157Gd 12! A nuclear reactor fuels, bluish-white metal is chemically similar elements scandium yttrium... Their 3d orbitals are currently higher in energy than the so-called rare earths matter the... D. and Glendenin, Lawerence as the radiation source in portable X-ray devices and 4 electrons in the atomic.! This fact has key implications for the building up of the actinide series of the lanthanide series, usually... Number 103 which means there are 99 protons and 44 electrons in the atomic structure about %. Is classed as a coolant number 69 which means there are 85 protons and 45 electrons in atomic! Are 80 protons and 40 electrons in the atomic structure that explains what kind of information from this website founded... Blue-Grey metallic lustre, it is a chemical element with atomic number 48 which means there 24. A dense, soft, bluish-white metal is not found naturally in metallic form or unmixed with other.. Sixty-First most abundant metal, hafnium chemically resembles its lighter homologs arsenic antimony.
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