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