2. To determine the electron configuration of a particular atom, start at the nucleus and add electrons one by one until the number of … The electron configuration for the first 10 elements. 0 0. The element atomic number and name are listed in the upper left. Its electron configuration is: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2 4f 14 5d 10 6p 6 7s 2 5f 14 6d 10 7p 6. 0 0. B) The Number Of Electrons In Each Energy Level And Sublevel. Electron Configurations are an organized means of documenting the placement of electrons based upon the energy levels and orbitals groupings of the periodic table.. Alternatively, write the symbol for the noble gas before an element (radon, in this case), and just add the extra information: What is the electron configuration of: (a) Na + (b) P 3– (c) Al 2+ (d) Fe 2+ (e) Sm 3+ Solution First, write out the electron configuration for each parent atom. Oganesson (element 118 is a good example to show the order of the orbitals. The electron shells are shown, moving outward from the nucleus. E) The Number Of Isotopes Possible. C) A Diagram Of An Atomic Nucleus. H #1s^1# He #1s^2# Li #1s^2 2s^1# Be #1s^2 2s^2# B #1s^2 2s^2 2p^1# C #1s^2 2s^2 2p^2# N #1s^2 2s^2 2p^3# O #1s^2 2s^2 2p^4# F #1s^2 2s^2 2p^5# The final ring or shell of electrons contains the typical number of valence electrons for an atom of that element. The electron configuration of an atom shows how the electrons are arranged in the atom's energy levels. By looking at the electron configuration of selenium, it is possible to determine how many electrons are in … There are 118 elements in the periodic table. Electron Configuration Chart for All Elements in the Periodic Table. SV. Electron configuration is the arrangement of electrons of an atom, a molecule, or other physical structure. It concerns the way electrons can be distributed in the orbitals of the given system (atomic or molecular for instance). 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. The upper right side shows the number of electrons in a neutral atom. The electron configuration of an atom shows the number of electrons in each sublevel in each energy level of the ground-state atom. Source(s): electron configuration atom show: https://biturl.im/MCtjD. Q. 1 decade ago. This configuration conveys a lot of important information about an element. The electron configuration of an atom shows the packing of electrons in the shells and orbitals of an atom. The electron configuration of an atom is 1s 2 2s 2 2p 6.The number of valence electrons in the atom is The Electron Configuration Of An Atom Shows A) The Maximum Number Of Electrons Each Energy Level Can Hold. The periodic table can be a powerful tool in predicting the electron configuration of an element. 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