13. Draw the Lewis structures for the following molecules (Show your process, including Valence electrons calculation) a. Sel2 a. BF3

Use the data in Figure 3.11 and Table 3.2 to calculate the energy changes (E) for the following pairs of reactions: (a) K(g)+Cl(g)K+(g)+Cl(g) K(g)+Cl(g)K(g)+Cl+(g) (b) Na(g)+Cl(g)Na+(g)+Cl(g) Na(g)+Cl(g)Na(g)+Cl+(g) Explain why K+Cl and Na+Cl form in preference to KCl+ and NaCl+ .

Why is the geometric structure of a molecule important, especially for biological molecules?

Draw the Lewis structures for the following molecules (Show your process, including Valence electrons calculation) a. Sel a. BF3

17. Name the following molecular covalent compounds. a. PBrs b. NgP3 C. Si,Os d. C,F8 T e. N,S4 Learning Target: use electron dot formulas and structural formulas to d U 18. The following compounds have covalent bonds. Complete valence electrons, drawing a Lewis dot diagram, and identifyin Lewis Do Compound Valence Electrons

What are similar and different about the Lewis structure ?

BMy Dashboard myBinghX BUnit 9- Molecular Geom X LON-CAPA 10-043: E-G O Not secure loncapa5.chem.binghamton.edu/res/fsu/silberbe M Lumen OHM Asse... Apps G Gmail Jazz Notes Exam 1... Pt Dynamic Periodic... Draw Lewis structures for each of the following and use them to answer the next 3 questions. 1) O3 2) NF3 3) NO2 4) SO2 5) CF4 6) N20 (N central) Match each molecule or ion above to the correct electron-group arrangement from the list below. NF3 A T shape 03 B tetrahedral N20 (N central) CF4 C square planar D linear NO2 D SO2 trigonal pyramidal F bent G trigonal planar Tries 0/5 Submit Answer Now match the sames molecules or ions above to the correct molecular shape. N2O (N central) A T shape NO2 NF3 B linear C square planar CF4 D trigonal planar trigonal pyramidal SO2 O3 tetrahedral F G bent Tries 0/5 Submit Answer Finally, match the same molecules and ions above to the correct ideal bond angles from the list below. NO2 03 1800 A B 600 CF 4 C 109.50 NF3 D 900 SO2 30° E N20 (N…

3 To answer the questions, interpret the following Lewis diagram for CIO₂ :O-C-0: [Review Topics] [References] Use the References to access important values if needed for t 1. For the central chlorine atom: The number of non-bonding electrons 4 The number of bonding electrons The total number of electrons 2. The central chlorine atom A. obeys the octet rule. B. has more than an octet. C. has less than an octet. Submit Answer Retry Entire Group Cengago = 8 2 more group attempts remaining

1-What is the formal charge of the nitrogen atom in hydrogen cyanide (HCN)? a.5 b.−1 c.0 d.1 e.2   2-Which of the following diatomic molecules has the least number of valence electrons? a.N2 b.F2 c.O2 d.Cl2 e.NO

The Lewis structure shown below is not a valid Lewis structure. What statement best describes the error in the structure? :Cl-N=N-Ci: :15: :5: O A. The chlorine atoms violate the octet rule. D B. The structure contains an incorrect number of valence electrons. DC. The nitrogen atoms violate the octet rule. D D. Chlorine atoms and nitrogen atoms do not typically form bonds with each other.