Question

N N (6 pts.) The goal of this problem is to help you understand better the quantum number rules and to prove to you that every electron in an atom has a unique set of 4 quantum numbers.) First, write out the full electron configuration for scandium (Sc). Then, write out the complete set of quantum numbers for each electron in Sc listing them in order of filling. 2. Example: The complete electron configu ration of oxygen (O) is 1s22s'2p. In order of filling, the following sets of quantum numbers describe each of the 8 electrons in O. electron identity ms n 1st "1s" electron (first e added) 2nd "1s" electron +1/2 -1/2 +1/2 -1/2 +1/2 +1/2 +1/2 -1/2 1 0 0 0 0 0 1st "2s" electron 2nd "2s" electron 2 2 0 0 1st "2p" electron 2nd "2p" electron 3rd "2p" electron 4th "2p" electron (last e added) -1 (p) 0(p.) +1 (p) -1 (p.) 2 2 2. 1 1

Answer 1

Sc - atomic number = al i, al electrons are Electronic configuration Presente of so = isolas? apo 35 356 45? 30 ? V MT W AV11 GT117 Before filling the quantum numbers for each electron first we ree what are quantum numbers Quantum Numbers oe 4 types: Principal quantum Number - (n), u n - It ci proposed l u by Bohos - It is denoted by the symbol in ₂ l indicates the size and energy of the sorbital. Moti ie, the election Parerenlo in is agibited By seeing the onbitals we can say that in which level the electron is Present Azimuthal of quantum kumber (1) - it is proposed by sommes field and a - Rr is dusted by the symbol -e e values we loto mli - pp eco = "Susibited lola 'Posbifeil Pia orbital meignetic squantum Numbers - at å dented by the symbol in the lt im can have values -l to te including en a Trobada valule of m= alth and

- spin - - It tell about the orientation of the orbital quantum Number - S It iů prokled by uhlenbeck and goldsmith It is dansted by the symbolis e erim scan have a valies Sath (as) -ų If the electron in up wood direction Sith If the electron in down curd direction S - 4 - - n e bi im ms. electionem identity is electron ist and is electron isti os electron and 2 electron ist 2P electos com and QP electron and 20 electron QP electron 0 - Daar gara? mm -1. (B) tih o (Py) tih tih) th af electron (PA) h 0 (P) ih tl EP2) - ist one ist pncl ap electron as electron 35 electron 38 electron 3 eleckeren Chu) oCRO 4112 +

3 3rd 3p electron دا Utah 1 3P electron یما (RA) 2 دا sto oth 30 electrom 38 electron "" +!CⓇ) ا - sus electron ع 듕호용 츠 - م ist us electron 3d electron I last electron) 0 plody, ما the
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