Aug 9, 2018 · Refer to the explanation. For the main group (representative) elements, the valence electrons are the outermost (highest energy) "s" and "p" electrons, which make up the valence …

Dec 11, 2017 · They include the 1s electrons in its electron configuration, so, there are two of them. overbrace(1s^2)^"core" " "overbrace(2s^2 2p^6)^("valence") I suppose I'll do a detailed …

Oct 12, 2015 · 46 Iodine, "I", is located in period 5, group 17 of the periodic table, and has an atomic number equal to 53. That means that a neutral iodine atom will have a total of 53 …

Jun 23, 2016 · Iron is on the fourth row of the periodic table, sixth column of the transition metals, atomic number 26. What we have is: Its core orbitals are the 1s, 2s, 2p's, 3s, and 3p's. Its …

Sep 26, 2016 · 28 Core Electrons. Arsenic (As) has an atomic number of 33 (according to the periodic table). This means that an As Atom in the ground state (not ionized) should have 33 …

Jan 3, 2016 · The electron configuration of "Co"^(3+) is ["Ar"] 4s 3d^5. "Co" is in Period 4 of the Periodic Table, and "Ar" is the preceding noble gas. Cobalt is also in Group 9, so it must have …

May 6, 2016 · [Kr] The atomic No. of Se is 34 Se^"2-" has 34+2 = 36 electrons Electronic configuration of Se in Normal Notation 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^4 Electronic …

Jun 18, 2014 · The electron configuration for Uranium (U) is based upon the placement of uranium in the fourth column of the actinide series or f block. Therefore th electron …

Jun 16, 2016 · The complete electron for a neutral arsenic atom is: "1s"^2"2s"^2"2p"^6"3s"^2"3p"^6"3d"^(10)"4s"^2"4p"^3 Its shorthand electron configuration is: …

May 1, 2014 · See explanation. Noble Gas notation, also known as core notation is a shortened version of the format for electron configurations using the noble gas to represent the …