Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Answer: [Kr] 5s1 4d10 silver [Xe] 6s2 4f14 5d7 Iridium [Ar] 4s2 3d10 4p4 selenium [Kr] 5s1 4d4 niobium [Xe] 6s1 4f14 5d10 gold [Kr] 5s2 4d10 5p4 tellurium Explanation: Selenium and tellurium will have the same properties because they both belong to group 16 in the periodic table. Thechemical symbolfor Actinium isAc. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Thechemical symbolfor Gallium isGa. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. What are some examples of how providers can receive incentives? This formula says that lead has all the electrons of xenon as well as the electrons listed after [Xe]. Electron Configuration It has 2 valence electrons. Use the Aufbau process to fill the orbitals with electrons. 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. Scribd il pi grande sito di social reading e publishing al mondo. Cs (Xenon) has the same electron configuration as Xe. What element is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1? [Xe] 6s2 4f14 5d7 2. ; 2 Which element has the electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 4? Thechemical symbolfor Barium isBa. Thechemical symbolfor Nickel isNi. By mass, aluminium makes up about 8% of the Earths 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. Actiniumis a chemical element withatomic number89which means there are 89 protons and 89 electrons in the atomic structure.
DOC Electron Configuration Worksheet - Moore Public Schools Thechemical symbolfor Germanium isGe. Thechemical symbolfor Uranium isU. This cookie is set by GDPR Cookie Consent plugin. 81 terms. 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. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Thechemical symbolfor Plutonium isPu. It suggests that the 6s is filled before the 4f or the 5d. ( , element) () . Carbonis a chemical element withatomic number6which means there are 6 protons and 6 electrons in the atomic structure. 81 terms. Cerium is the element that has the electron configuration of Xe 6s2 5d1 4f1. Thechemical symbolfor Samarium isSm. Analytical cookies are used to understand how visitors interact with the website.
DOC Electron Configuration Practice Worksheet - Weebly The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. [Ne] 3s2 3p1 3. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Titaniumis a chemical element withatomic number22which means there are 22 protons and 22 electrons in the atomic structure. 82 Pb - Lead. Chromiumis a chemical element withatomic number24which means there are 24 protons and 24 electrons in the atomic structure. Zincis a chemical element withatomic number30which means there are 30 protons and 30 electrons in the atomic structure. Osmium. Niobium (Nb) [Kr] 5s2 4d3. It is thePauli exclusion principlethat requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. Thechemical symbolfor Yttrium isY. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a rare-earth element. 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. Electron Configuration Match 2 Core Configurations. How To write an electron configuration. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Emsley, John. What element has the electron configuration Kr 5s2 4d10 5p3? From the periodic table, Xe has atomic number 54. What element has the electron configuration Kr 5s2 4d10 5p3?
what element is xe 6s2 4f14 5d7 - acting-jobs.net Neptunium is the first transuranic element. Thechemical symbolfor Hafnium isHf. [Ne] 3s2 3p1. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Electron configuration of Iridium is [Xe] 4f14 5d7 6s2. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Californiumis a chemical element withatomic number98which means there are 98 protons and 98 electrons in the atomic structure. In the periodic table, the elements are listed in order of increasing atomic number Z. Hydrogenis a chemical element withatomic number1which means there are 1 protons and 1 electrons in the atomic structure. Electron configuration of Iridium is [Xe] 4f14 5d7 6s2. [Xe] 4f14 5d6 6s2: 77: Ir [Xe] 4f14 5d7 6s2: What is the element 1s2 2s2 2p6? Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Osmium [Xe] 4f14 5d6 6s2. 0,00 . In example B, which element is represented by the electron configuration? It is one of the least reactive chemical elements and is solid under standard conditions. A B; hydrogen: 1s1: helium: 1s2: lithium: 1s2 2s1: boron: 1s2 2s2 2p1: carbon: 1s2 2s2 2p2: nitrogen: 1s2 2s2 2p3: fluorine: 1s2 2s2 2p5: neon: 1s2 2s2 2p6: sodium: . 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. Au [Xe]4f14 5d10 6s2. The element is defined by Z, the atomic number, which is the number of protons, positively charged, massive nuclear particles.
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. Xe is element 54. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. What is XE 6s2 4f14 5d6?
Electron Configuration of the elements - Periodic Table The electronic configuration is there to distract you: Z=54+2+14+10+2=82, and, therefore, the element is LEAD. 113Cd has specific absorption cross-section. To work backwards and find the element with a given configuration, you first find the noble gas in the Periodic Table. The cookie is used to store the user consent for the cookies in the category "Analytics". It is the heaviest essential mineral nutrient. how to reset dauntless account 2022; diane mercer possession; blade and sorcery quest apk Your element has two more electrons (and two more protons) than Xe. This Electron Configuration table gives the Electron Configuration of all the elements of periodic table . Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. 4f14 5d6 6s2 [Xe]. 4f6 6s2 152 4f7 6s2 157 4f7 5d1 6s2 159 4f9 6s2 162.5 4f10 6s2 165 4f11 6s2 167 4f12 6s2 169 4f13 6s2 79.90 36 Kr k 83.80 3d3 4s2 3d5 4s1 3d5 4s2 3d6 4s2 3d7 4s2 3d8 4s2 3d104s1 3d10 4s2 3d104s2 4p1 3d104s2 4p2 4s2 4p3 4s2 4p4 4s2 4p5 4s24p6 +3+5 +3+4+6 [-3,+7] +2+3+6 Iron Cobalt Nickel Copper 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. We have also distinguish between the possible and common oxidation states of every element. Tin is a post-transition metal in group 14 of the periodic table. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. These cookies ensure basic functionalities and security features of the website, anonymously. Pages [Xe] 4f14 5d7 6s2. Find an answer to your question Which element has the electron configuration [Xe] 6s2 4f14 5d10 6p2? Thechemical symbolfor Iron isFe. Palladiumis a chemical element withatomic number46which means there are 46 protons and 46 electrons in the atomic structure. [Xe] 6s2 is barium. 81 terms.
4s23d5: , 3 Thechemical symbolfor Promethium isPm. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Chlorine is a yellow-green gas at room temperature. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. ; 7 What is the configuration of Fe? [Kr] 5s2 4d10 5p3. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Correct answers: 3 question: [Xe]6s2 4f10 [Xe]6s2 4f14 5d7 [Ne] 3s2 3p1 Whats the element name to each of them? What is the electron configuration for a nitride ion? Depending on your desired degree of doneness, brats on a George Foreman Grill cook in nine to 15 minutes. Ba2+ [Xe] Fe [Ar]4s23d6 Se2- [Kr] Os [Xe] 6s2 4f14 5d6 Page 3 8. Thechemical symbolfor Silicon isSi. Classified as a noble gas, Xenon is a gas at room temperature.Xenon. platinum 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. Thechemical symbolfor Lead isPb. [Ne] 3s2 3p1 3. braxton-coleman. Now, we have to use the periodic table to find out the name of this element. Chlorineis a chemical element withatomic number17which means there are 17 protons and 17 electrons in the atomic structure. Thechemical symbolfor Gold isAu. Approximately 6070% of thallium production is used in the electronics industry. Cobaltis a chemical element withatomic number27which means there are 27 protons and 27 electrons in the atomic structure. Bismuthis a chemical element withatomic number83which means there are 83 protons and 83 electrons in the atomic structure.
Noble Gas Configuration - Shorthand Electron Configuration At 0.099%, phosphorus is the most abundant pnictogen in the Earths crust. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. From the periodic table, Xe has an atomic number of 54. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights.
What is XE 6s2 4f14 5d6? - TipsFolder.com what element is xe 6s2 4f14 5d7 - isgho-sup.com Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Bi [Xe]4f14 5d10 6s2 6p4. Thechemical symbolfor Tin isSn. al. Xe 131.3 5s2,5p6 55 Cs 133 6s1 56 Ba 137.3 6s2 57 La 139 5d1,6s2 58 Ce 140 4f1,5d1,6s2 59 Pr 141 4f3,6s2 60 Nd 144 4f4,6s2 61 Pm 145 4f5,6s2 62 Sm 150.5 H He Li Be B C N O F Ne Na Mg Al . what element is xe 6s2 4f14 5d7. [Xe] 6s2 4f14 5d3: Ta [Xe] 6s2 4f14 5d10: Hg [Kr] 5s2 4d3: Nb [Ne] 3s2 3p1: Al [Rn] 7s1: Fr: This activity was created by a Quia Web subscriber. what element is xe 6s2 4f14 5d7. Thechemical symbolfor Einsteinium isEs.
For the following electron configuration, determine the possible Manganeseis a chemical element withatomic number25which means there are 25 protons and 25 electrons in the atomic structure.
Configuracin electrnica de los elementos S o here the total number of electron is 26 . Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Element Atomic Number Element Symbol Element Electron Configuration; 76: Os [Xe] 4f14 5d6 6s2: 77: Ir [Xe] 4f14 5d7 6s2: 78: Pt [Xe] 4f14 5d9 6s1: 79: Au [Xe] 4f14 5d10 6s1: Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. What is the ground state electron configuration of the element germanium? It rarely occurs in its elemental state or as pure ore compounds in the Earths crust. The acid assault is repelled by this element.
something simple but i need help - Chemistry - Science Forums Electron Configurations. The electron configuration of V is [Ar] 3d3 4s2 and Cr is [Ar] 3d5 4s1, the electron in 4s subshell is transfered to 3d subshell for extra stability, stability by the half-filled 3d subshell. Pb [Xe]4f14 5d10 6s2 6p3. Thechemical symbolfor Carbon isC. It is nonmetallic and tetravalentmaking four electrons available to form covalent chemical bonds. Oganesson. These cookies will be stored in your browser only with your consent. Signup for our weekly newsletter to get the latest news, updates and stay in the loop to find out what parents are talking about delivered directly in your inbox. 76 Os Osmium. Your page rank: Total word count: 344. Thechemical symbolfor Tantalum isTa. Search. Platinum is one of the least reactive metals. Only about 5108% of all matter in the universe is europium. Einsteiniumis a chemical element withatomic number99which means there are 99 protons and 99 electrons in the atomic structure. It must be element 56. Thechemical symbolfor Arsenic isAs. What element has an electron configuration of xe 6s2 4f14 5d10 6p2? Os.
Caesium has physical and chemical properties similar to those of rubidium and potassium.
What electron configuration is Xe 6s2 4f14 5d6? - TheKnowledgeBurrow.com Ir [Xe]4f14 5d9 6s1. The 6s and 6p electrons are in the outermost shell, and are therefore the valence electrons. [Ne] 3s2 3p1 3. Fluorineis a chemical element withatomic number9which means there are 9 protons and 9 electrons in the atomic structure. Electron Configuration Chart - Electron Configuration of all the elements in table chart. How many inches tall is a sixteen Oz monster energy can? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2: What is the difference between Xe and Ze? Your page rank: Total word count: 344. what element is xe 6s2 4f14 5d7. Resuelve los problemas fcilmente utilizando nuestras calculadoras y solucionadores. The initial configuration is : [Xe] 4f 14 5d 8 6s 2, then one electron is transfered from 6s to 5d, so that all orbitals become stable, either through full filling or half filling, which is better then having one empty and unstable. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Iridium is the most corrosion-resistant metal, and was used in the manufacture of standard lengths in meters in Paris, which is a mixture of 90% platinum and 10% iridium. the element is tungsten with the electronic configuration Xe 4f14 5d4 6s2 What is the electron configuration of tungsten? June 7, 2022 . What is XE 6s2 4f14 5d10 6p2? You wrote: [Xe] 6s2, 4f14, 5d9. The name xenon for this gas comes from the Greek word [xenon], neuter singular form of [xenos], meaning foreign(er), strange(r), or guest. A noble gas core is the noble gas element symbol enclosed in brackets: [He], [Ne], [Ar], [Kr], [Xe], or [Rn]. 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. Alternatively, it may be easier to look at the listed subshells and determine which one is incomplete. Is Gina a, Angel number 1055 has a close relationship with love. There are two easy ways to identify them. Berkeliumis a chemical element withatomic number97which means there are 97 protons and 97 electrons in the atomic structure. Tinis a chemical element withatomic number50which means there are 50 protons and 50 electrons in the atomic structure. Possible oxidation states are +3,4.
what element is [xe] 6s24f145d6 - ASE Flashcards. The element is defined by #Z#, the atomic number, which is the number of protons, positively charged, massive nuclear particles. >. And Ir is [Xe] 4f14 5d7 6s2 while Pt is [Xe] 4f14 5d9 6s1. Pure radium is silvery-white alkaline earth metal. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC.
what element is xe 6s2 4f14 5d7 - theintentionalentrepreneur.com Match the element to its correct complete electron configuration. Lead is a heavy metal that is denser than most common materials. Match the condensed electron configuration with the proper element V A 1.
element name and shorthand electrical config - Subjecto.com [Xe]6s 2 4f 3. Atomic number:23 Symbol:V Average atomic mass: 50.9415 [Xe] 4f14 5d7 6s2 Transition metals. Thechemical symbolfor Praseodymium isPr. You can learn about noble gas configurations at To work backwards and find the element with a given configuration, you first find the noble gas in the Periodic Table. platinum (Pt), chemical element, the best known and most widely used of the six platinum metals of Groups 8-10, Periods 5 and 6, of the periodic table. Mt first question is why Pt's configuration is. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Thechemical symbolfor Zinc isZn. d- d- d- Electron configuration ofIridiumis[Xe] 4f145d76s2. What is the difference between Xe and Ze? 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 element tungsten (symbol W, The element is in Period 4 and Group 2. Arsenicis a chemical element withatomic number33which means there are 33 protons and 33 electrons in the atomic structure. Correct answers: 1 question: Identify the following neutral elements by their condensed electron configurations. The electron configuration 1s22s22p63s23p4 depicts what element is. Copperis a chemical element withatomic number29which means there are 29 protons and 29 electrons in the atomic structure. Vanadium. We use cookies to ensure that we give you the best experience on our website. Thechemical symbolfor Terbium isTb. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. Thechemical symbolfor Tungsten isW. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Thechemical symbolfor Thorium isTh.
What element has a noble gas notation (Xe) 6s2? | Socratic Thechemical symbolfor Cerium isCe. Thechemical symbolfor Scandium isSc. Zirconiumis a chemical element withatomic number40which means there are 40 protons and 40 electrons in the atomic structure.
Quia - Electron Configuration Matching Game What is KR 5s24d105p3? - WisdomAnswer We also use third-party cookies that help us analyze and understand how you use this website. 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. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 C. [Xe] 6s2 4f14 5d7 2. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. So, an antimony atom with charge +2 has an electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p1. Refer to table and property element trend below for Electron Configuration of all the elements in the periodic table. Cerium is the second element in the lanthanide series. What element is xe 6s2 4f14 5d6. what element is xe 6s2 4f14 5d9 Wearhouse For Sale St Paul, Mn, Jimenez Ja 22 Wood Grips, Labster Immunology Answers, Where To Watch The Outsiders Series, Who Is The Girl In The Girl Biting Lip Meme, Why Isn't Heart And Mind By Kodak On Apple Music, 2p Pusher Arcade Machine, Can Turtles Walk Backwards, Xfinity Dvr Setup, This equilibrium also known as samarium 149 reservoir, since all of this promethium must undergo a decay to samarium. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. How long does it take to cook brats on George Foreman grill? Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Argon is the third-most abundant gas in the Earths atmosphere, at 0.934% (9340 ppmv). We have shown the list of elements Electron Configuration of the elements for which reliable data is available. Patterns of problems. answer - Realice la configuracin electrnica para 15 elementos de la tabla peridica cuyos nmeros atmicos se distancien en 3. Tantalum [Xe] 4f14 5d3 6s2. The 6s and 6p electrons are in the outermost shell, and are therefore the valence electrons. Oxygenis a chemical element withatomic number8which means there are 8 protons and 8 electrons in the atomic structure. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. Thechemical symbolfor Berkelium isBk.
Configuraciones electronicas Thechemical symbolfor Lithium isLi. element names in red are gases at room temperature element names in black are solids at room temperature Periodic Table of the Elements [Xe]6s 24f145d5 [Xe]6s24f 145d6 [Xe]6s2 5d7 [Xe]6s14f145d9 [Xe]6s14f145d10 [Xe]6s24f145d10 4f145d106p1 3 2 14 (i) [Kr] 5s1 4d10 (ii) [Xe] 6s2 4f14 5d7 (iii) [Ar] 4s2 3d10 4p4 (iv) [Kr] 5s1 4d4 (v) [Xe] 6s1 4f14 5d10 (vi) [Kr] 5s2 4d10 5p4 (b) Based on the electron configurations in part (a), which of the identified Browse. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Indium is a post-transition metal that makes up 0.21 parts per million of the Earths crust. [Ne] 3s2 3p1 3. The element with the atomic number 17 is chlorine. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. By convention, they are written last in noble gas configuration. Illustrate with a box diagram. Strontium (Sr) [Kr] 5s2. A freshly exposed surface of pure copper has a reddish-orange color. Thechemical symbolfor Bismuth isBi. This fact has key implications for the building up of the periodic table of elements. Related Articles: Intel iris xe graphics in gb? The 6s and 6p electrons are in the outermost shell, and are therefore . Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal.
How many electrons does IR have? - Heimduo 16 b. Click on 'Element Atomic Number', 'Element Symbol', 'Element Name' and 'Element Electron Configuration ' headers to sort. Enter the email address you signed up with and we'll email you a reset link. Thechemical symbolfor Calcium isCa. 7) confirms that the average of 1d10 is 5, which is consistent with a range of 1-10. kmassarotti is looking for your assistance. Thechemical symbolfor Holmium isHo. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Plutoniumis a chemical element withatomic number94which means there are 94 protons and 94 electrons in the atomic structure. Thechemical symbolfor Technetium isTc. It is fairly soft and slowly tarnishes in air. Pages . Thechemical properties of the atomare determined by the number of protons, in fact, by number andarrangement of electrons. Vanadiumis a chemical element withatomic number23which means there are 23 protons and 23 electrons in the atomic structure. Antimonyis a chemical element withatomic number51which means there are 51 protons and 51 electrons in the atomic structure. 1. An atom of an element in a compound will have a positive oxidation state if it has had electrons removed. Even though the 4s sublevel is filled, the last electron went into that sublevel, making it a member of the s-block. This problem has been solved! Thechemical symbolfor Phosphorus isP. As an element, phosphorus exists in two major formswhite phosphorus and red phosphorusbut because it is highly reactive, phosphorus is never found as a free element on Earth. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. What electron configuration is Xe 6s2 4f14 5d6? Thechemical symbolfor Caesium isCs.
Realice la configuracin electrnica para 15 elementos de la tabla 1 Which element has the electron configuration Xe 6s2 4f14 5d6? Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Aufbau order -- [Xe] 6s1 4f14 5d10. Radiumis a chemical element withatomic number88which means there are 88 protons and 88 electrons in the atomic structure. Thoriumis a chemical element withatomic number90which means there are 90 protons and 90 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. How do the electron configurations of transition metals differ from those of other elements? ; 4 Which element has the electron configuration Kr 5s2 4d10 5p3? Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. [Xe] 6s2 4f14 5d7 2. Uranium has the highest atomic weight of the primordially occurring elements. PaullyD PaullyD 04/01/2016 Chemistry High School answered Which element has the electron configuration [Xe] 6s2 4f14 5d10 6p2?