Resources Iridium Electronic configuration. Richter in 1863. Indium was discovered by Ferdinand Reich and Hieronymous Theodor Richter in 1863. This video tutorial will help you determine the electronic configuration of the Indium atom. Electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 6 4f 14 5d 7 6s 2 >> Back to key information about the … The indium atom has a radius of 162.6 pm and a Van der Waals radius of 193 pm. The indium atom has a radius of 162.6 pm and a Van der Waals radius of 193 pm. It is a soft, malleable metal that is similar to gallium. The electron configuration for the iron(III) ion is: "1s"^2"s"^2"2p"^6"3s"^2"3p"^6"3d"^5" The element iron, Fe, has the atomic number 26, which is the number of protons in its atomic nuclei. Radioactive In-111 is used as a radiotracer in nuclear medicine to label white blood cells and proteins. There are 118 elements in the periodic table. Word Origin: Latin indicum. Check 2+2+6+2+6+2+10+6+2+10+1 = 49. For indium 3+ (atomic number = 49, charge = +3, number of electrons = 49-3 = 46). Indium forms InAs, which is found in photoconductors in optical instruments. The ground state electron configuration of ground state gaseous neutral indium is [Kr].4d … It has the electron configuration [Kr] 2s 2 2p1 and may adopt the +1 or +3 oxidation state; however, the +3 state is more common. For indium atoms (atomic number = 49, electrons = 49) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^1 . The number of electrons in each of indium's shells is [2, 8, 18, 18, 3] and its electron configuration is [Kr] 4d 10 5s 2 5p 1. For indium:a) Write the electron configuration.b) Predict the ion(s) of indium.c) Write out the electron configurations of the ion(s). Indium has the chemical symbol In and the atomic number 49. Includes Elements, 7.31, Poor metals, 1.78, Group 13, Primordial, Period 5, 0.233, 0.25, 114.818, 429.75, [Kr] 4d 10 5s 2 5p 1 , 2345 and 49. Indium was discovered by Ferdinand Reich and Hieronymous Theodor Richter in 1863. The number of electrons in each of indium's shells is [2, 8, 18, 18, 3] and its electron configuration is [Kr] 4d 10 5s 2 5p 1. Each element has a unique atomic structure that is influenced by its electronic configuration, which is the distribution of electrons across different orbitals of an atom. Indium atoms have 49 electrons and the shell structure is 2.8.18.18.3. Remember, try to review about orbitals, valence electrons, shells and sub-shells as well. Indium is a malleable, very soft, silvery-white metal. Indium was discovered by Ferdinand Reich and H.T. Richter in 1863. Indium is named for the brilliant indigo line in the element's spectrum. Electron Configuration: [Kr] 5s 2 4d 10 5p 1. Electron configuration for N^3-: 1s^2 2s^2 2p^6. A neutral iron atom has 26 protons and 26 electrons. Electron Configuration Chart for All Elements in the Periodic Table. ... 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