Editing Answer To 2022-2023 Honors Chem328 Review HW For Bonding And Molecular Geometry Test
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Answers to [[2022-2023 Honors Chem328 Review HW for Bonding and Molecular Geometry Test]]<br> <br> 1) After bonding (moving valence electron, ve<sup>-</sup>), all atoms want 8ve<sup>-</sup> around it except H - 2ve<sup>-</sup>, Be - 4ve<sup>-</sup>, B - 6ve<sup>-</sup> and element with 3rd energy level or greater can exceed 8ve<sup>-</sup>.<br> <br> 2a) i) Cations of the metal element and ii) "sea of free flowing ve<sup>-</sup> (delocalized ve<sup>-</sup>)<br> <br> 2b) Will discuss<br> <br> 3a) ions (charged atom or atoms that have lost or gained ve<sup>-</sup><br> <br> 3b) Metals - cations<br> <br> 3c) non-metal, gains ve<sup>-</sup>, anion<br> <br> 3d) ΔEN >= 1.8<br> <br> 3e) The number of each ion needed so the total negative charge equals total positive charge<br> <br> 3f) Will discuss<br> <br> 4a) share, covalent bond, molecule (also polyatomic ions)<br> <br> 4b) ΔEN < 1.8<br> <br> 4c) Subscript is the number of each type of atom that are sharing their ve<sup>-</sup><br> <br> 4d) Will discuss<br> <br> 4e) Polyatomic ions. It is different from molecular compounds because the polyatomic ion atoms need more or less ve<sup>-</sup> to follow the Rule of Eight.<br> <br> 5a) Number of shared ve<sup>-</sup><br> <br> 5b) SB, DB, TB<br> <br> 5c) TB, DB, SB<br> <br> 6a) Ca - 1.0 , Br - 2.8, ΔEN = 2.8-1.0 = 1.8, Ionic bond (IC or ions)<br> 6b) N - 3.0 , O - 3.5, ΔEN = 3.5-3.0 = 0.5, Covalent bond<br> 6c) Cr , Ag Two metals so Metallic bond (don't use EN)<br> <br> <u>Part II</u><br> <br> a) C<sub>1</sub>Cl<sub>4</sub>, 32ve<sup>-</sup><br> *C is central atom, 0LP *4 single bonds <br> b) PO<sub>3</sub><sup>3-</sup>, 26ve<sup>-</sup><br> *P is central atom, 1LP *3 single bonds <br> c) NO<sub>3</sub><sup>1-</sup>, 24ve<sup>-</sup><br> *N is central atom, 0LP *2 single bonds, 1 double bonds <br> d) S<sub>1</sub>Br<sub>6</sub>, 48ve<sup>-</sup><br> *S is central atom, 0LP *6 single bonds <br> <br> <u>Part III</u><br> <br> a) Tetrasulfur nonachloride<br> <br> b) S<sub>1</sub>O<sub>3</sub><br> <br> c) Nitrogen dioxide<br> <br> d) F<sub>5</sub>Cl<sub>1</sub><br> <br> e) H<sub>1</sub>Cl<sub>1</sub>O<sub>3</sub><br> <br> <br> <u>Part IV (Answers to LDS are above)</u><br> <br> a) C<sub>1</sub>Cl<sub>4</sub><br> *Tetrahedral, 109.5° b) PO<sub>3</sub><sup>3-</sup><br> *Pyramidal, 107.0° c) NO<sub>3</sub><sup>1-</sup><br> *Trigonal planar, 120° d) S<sub>1</sub>Br<sub>6</sub><br> *Octahedral, 90°, 90° <br>
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