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Week 11:34 #2: HW #4 Week #2: HW #4 Level 1: Creating a Lewis dot structure and determining he shape CH4 NBr3 SO3-2 +1 docs.google.com Helpful note: valence electrons are the outermost electrons n an atom. These can be determined by checking the column number on the periodic table (check the one at the end of HW # 2). F, for example, is located in the column abeled VII, this tells us that F (and all of the elements in the same column with F) have 7 valence electrons. Fill in the blanks in the table below: Formula Total NO3-1 H₂S P04-3 CO2 Lewis dot valence electrons structure # of nonbonding electrons on the central atom shape/molecular geometry Level 2: Determining if a molecule is polar and/or has polar bonds Fill in the blanks in the table below: Note that you'll need to show Lewis dot structure for each molecule as part of your work.
11:34 docs.google.com Week #2: HW #4 Level 2: Determining if a molecule is polar and/or has polar bonds HSIN HCC13 SIS2 H₂O Fill in the blanks in the table below: Note that you'll need to show Lewis dot structure for each molecule as part of your work. Formula Shape (see list at the end of the HW) Level 3: Stretch your skills Is the molecule polar? Are there polar bonds, nonpolar bonds, or both? List the bonds in each category 1. What is the shape of a molecule composed of 4 atoms, each of which have 7 valence electrons, if the molecule has a +4 charge? 2. What is the shape of a triatomic molecule composed of a central atom with 4 valence electrons and 2 atoms each with 6 valence electrons? On the next page you'll find the list of all of the electron groups and their respective shapes (molecular geometries). Note that trigonal pyramidal will be used most commonly rather than trigonal pyramid. PREDICTING MOLECULAR GEOMETRY USING VSEPR THEORY VSEPH ELECTRON GROUP ARRANGEMENTS Operational rad 1 Draw a Levis stchure for the 2 Count the number of VSEPR clec central as in the Lewis stre 3. Assigs gronary based on misini MAKEUP OF VSEPR GROUPS smdeg
11:34 docs.google.com Week #2: HW #4 Level 3: Stretch your skills 1. What is the shape of a molecule composed of 4 atoms, each of which have 7 valence electrons, if the molecule has a +4 charge? 2. What is the shape of a triatomic molecule composed of a central atom with 4 valence electrons and 2 atoms each with 6 valence electrons? On the next page you'll find the list of all of the electron groups and their respective shapes (molecular geometries). Note that trigonal pyramidal will be used most commonly rather than trigonal pyramid. PREDICTING MOLECULAR GEOMETRY USING VSEPR THEORY VSEPR ELECTRON GROUP ARRANGEMENTS Operational rade 1. Dow a Levis stace for the l 2. Cset the ber of VSEPR sect central avis de Lewis stre 3. Assigsa genry based on mixi elecin groeps Ouers when four VSEPR election groups are p about a ceral 107 Trial Plas Occurs whes there VSEPR lect props a about a commal am 1300 Occan stes two VSEPR election graps a pro about a coral am MAKEUP OF VSEPR GROUPS 4 bodeg Jhondeg laubonding 2 bondag Iwboading 2 hoodig