Question 17 1 pts The electron configuration 1s22s22p 3s23p 4s23d represents the element Se Осо Mn
The following Lewis diagram represents the valence electron configuration of a main-group element. X• The element in period 6 that has this valence electron congfiguration is BA 3A 4A SA 6A 7A He se Na Mg 3B 4B 5B 6B 78 mm 88 18 28 Al Si P S Cl Ar Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Zr Nb Mo Tc Ru RN Pa Rg Cain Sn Sb Te Ba La HT Ta...
Three elements have the electron configurations 1s22s22p°3s23p°, 1s22s22p°3s2, and 1s2s22p63s23p°4s'. The first ionization energies of these elements (not in the same order) are 0.419, 0.735, and 1.527 MJ/mol. The atomic radii are 160, 97, and 227 pm. Identify the three elements, and match the appropriate values of ionization energy and atomic radius to each configuration First Ionization Electron Element Symbol Atomic Radius (pm) Configuration Energy (MJ/mol) 1s2s2p63s23p6 1s22s22p63s2 1s22s22p63s23p64s1
34 The correct electron configuration for Selenium, Se is: [Ar]45240104p4 OA B. [Ar]4s23d104p4 [Ar]4s23d 103p4 Ос. [Kr]4524d104p4 D.
Question 13 of 29 > Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element. excited state: 1s22s22p%3s element symbol: ground state:
Give the chemical symbol for the element with the ground-state electron configuration [Ar]4s23d'. symbol: Sc Determine the quantum numbers n and 1 and select all possible values for me for each subshell of the element. 4s n= 45 l = The possible values of me for the 4s subshell are O-3, -2, -1,0, +1, +2, +3 0 -2,-1,0, +1, +2 0 -1,0, +1 Oo 3d n= 3d t = The possible values of me for the 3d subshell are O-2,...
The following Lewis diagram represents the valence electron configuration of a main-group element. If this element is in period 3, its valence electron configuration is
Which element has the noble gas configuration [Ar]4s23d? Technetium Bromine Chromium Manganese Question 5 What element is represented by the orbital notation above? Oxygen Phosphorus Too little information Question 5 What element is represented by the orbital notation above? o Oxygen Phosphorus Too little information Sulfur
The following Lewis diagram represents the valence electron configuration of a main-gain element. This element is in group According to the octet rule, this element would be expected to form a(n) with a charge of If X is in period 3 the ion formed has the same electron configuration as the noble gas The symbol for the ion is
The following Lewis diagram represents the valence electron configuration of a main-group element. This element is in group 2A According to the octet rule, this element would be expected to form a(n) with a charge of cation anion If X is in period 4, the ion formed has the same electron configuration as the noble gas The symbol for the ion is
1 pt The following Lewis diagram represents the valence electron configuration of a main-group element. 1 pt 1 pt 1 pt If this element is in period 5, its valence electron configuration is 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining 1 pt