ࡱ> XZW}{ "bjbjBrBr   y`TTT444,4']L(OOO\\\\\\\$^`\O9O^OOO\TTA4\[R[R[ROT\[RO\[R[RZ[hr\UP~[\\0'][aaQaa r\aar\ OO[ROOOOO\\[ROOO']OOOOaaOOOOOOOOO : Electron Configurations Worksheet Write the complete ground state electron configurations and orbital notations for the following: # of e- Element (atom) e- configuration Orbital Notations/ diagrams 1) _____ lithium ________________________________ _________________________________ 2) _____ oxygen ________________________________ _________________________________ 3) _____ calcium _______________________________ ________________________________ 4) _____ nitrogen ______________________________ _________________________________ 5) _____ potassium ____________________________ _________________________________ 6) _____ chlorine ______________________________ __________________________________ 7) _____ hydrogen _____________________________ __________________________________ 8) _____ copper ________________________________ _________________________________ 9) _____ neon __________________________________ ________________________________ 10) _____ phosphorous ___________________________ _________________________________ Write the abbreviated ground state electron configurations for the following: # of electrons Element 11) ______ helium ________________________________________ 12) ______ nitrogen ________________________________________ 13) ______ chlorine ________________________________________ 14) ______ iron ________________________________________ 15) ______ zinc ________________________________________ 16) ______ barium ________________________________________ ______ bromine ________________________________________ 18) ______ magnesium _______________________________________ 19) ______ fluorine __________________________________________ 20) ______ aluminum _______________________________________ Electron Configuration Elements (atoms) and Ions Write the electron configuration and orbital notations for the following Atoms and ions: Element / IonsAtomic number# of e-Electron ConfigurationF F1- O O-2 Na Na1+ Ca Ca+2 Al3+  Al  N N3- S2- Cl1- K1+ S Br1-Mg2+ Electron Configuration Practice Directions: Write and draw the electron configurations of each of the following atoms. Example: Co : 27 e- 1s2 2s2 2p6 3s2 3p6 4s2 3d7  SHAPE \* MERGEFORMAT  1. Scandium: 2. Gallium: 3. Silver: 4. Argon: 5. Nitrogen: 6. Lithium: 7. Sulfur: Name:_______________________________________ Date:_______ Period:______ Electron Position and Configuration Chemistry 513/543 Position: Draw the Electron Position of each of the following atoms. Example: He:  SHAPE \* MERGEFORMAT  1. Li 2. C 3. O 4. Ar Directions: Draw the electron configurations of each of the following atoms. Example:  SHAPE \* MERGEFORMAT  1. Chlorine: 2. Nitrogen: 3. Aluminum: 4. Oxygen: 5. Sodium: 6. Potassium: 7. Sulfur: 8. Calcium Electron Configuration Practice - Homework In the space below, write the expanded electron configurations (ex. = 1s22s1) of the following elements: Sodium ________________________________________________ 2) potassium ________________________________________________ 3) chlorine ________________________________________________ 4) bromine ________________________________________________ 5) oxygen ________________________________________________ In the space below, write the abbreviated electron configurations (ex. Li= [He]2s1) of the following elements: 6) manganese ________________________________________________ 7) silver ________________________________________________ 8) nitrogen ________________________________________________ 9) sulfur ________________________________________________ 10) argon ________________________________________________ In the space below, write the orbital notation (arrows) of the following elements: 11) manganese _______________________________________________ 12) silver ________________________________________________ 13) nitrogen ________________________________________________ 14) sulfur ________________________________________________ 15) argon ________________________________________________ Determine what elements are denoted by the following electron configurations: 1s22s22p63s23p4 ____________________ 1s22s22p63s23p64s23d104p65s1 ____________________ [Kr] 5s24d105p3 ____________________ [Xe] 6s24f145d6 ____________________ [Rn] 7s25f11 ____________________ Determine which of the following electron configurations are not valid: 1s22s22p63s23p64s24d104p5 __________________ 22) 1s22s22p63s33d5 ____________________ 23) [Ra] 7s25f8 ____________________ 24) [Kr] 5s24d105p5 ____________________ 25) [Xe] ____________________  EMBED ISISServer  Law of Conservation of Matter and Electron Configuration Review a. Define the term valence shell. b. Why is the valence shell so important in studying chemical reactions? Given an element with atomic number 11, provide the following information: How many electrons will fill each of the following shells: 1st shell: 2nd shell: 3rd shell: Is this element likely to form a cation or anion? What charge will the ion formed by this element have? Roman numerals are needed when naming many of the transition metals because __________________________________________________________________________________________________________________________________________________________________ a. A molecule with an overall positive or negative charge is called a _________________________. b. An example of one is _______________________ Explain, based on electron configuration, why the noble gases are so unreactive. Use helium and neon as examples to illustrate your explanation. Each of the following chemical formulas and names are written incorrectly. Rewrite them correctly. Cl2Mg NaP Iron Sulfur NH4Cl3 Cesium (I) bromide a. What does the Law of Conservation of Matter state? __________________________________________________________________________________________________________________________________________________________________ b. Explain the reason for balancing equations based on this law.     Page  PAGE 6 of  NUMPAGES 8 Name:____________________________ Date____________ Per:_________ Co 1s 2s 2p 2p 2p 2p 3s 3p 3p 3p 3d 3d 3d 3d 3d 4s F 1s 2s 2p 2p 2p 2p #6Z_pU RS-2KMkm HI Z[Ϳjh=Ujh=UmHnHujh=U h=5 h=CJ$h=OJQJ h=H* h=5\h= h=5CJ$H"#U V   W X   Y Z   q r  !$a$ ! 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How many electrons are present in: 0 $sokH||ArialxHelium (He)_____ 0 smiH||ArialxCarbon (C)_____ 0 F  zkgH||ArialxNeon (Ne)_____ 0 okH||ArialxSodium (Na)_____ 0 ]ieH|| ArialxZinc (Zn)____ 0 r H||-.ArialxArialx2. How many valence electrons are present in: 0 x[okH||ArialxHelium (He)_____ 0 x1 miH||ArialxCarbon (C)_____ 0 + kgH||ArialxNeon (Ne)_____ 0 o SokH||ArialxSodium (Na)_____ 0 IsoH||ArialxPotassium (K)_____ 0 K :qmH||ArialxFluorine (F)_____ 0 r -XH|| ArialxChlorine _____ Bromine_____ 0  t H||89Arialx3. Draw Lewis Dot Structures for the following elements: 0 X(  eaH|| ArialxHelium (He) 0 L(  c_H|| ArialxCarbon (C) 0 z / a]H|| ArialxNeon (Ne) 0 #8  eaH|| ArialxSodium (Na) 0a '*1! {E9D0EC%&1 ! {9D!DEC%&1 ! D1DEC%&1 ! D0EC%&1  '*1 '*1 '*1 0a '*1! Dq0EC%&1 ! DDEC%&1 ! DDEC%&1 ! 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