1. Does the following Lewis structure represent an anion, a cation, or a molecule? if it...
Page l7 Prelaboratory Questions Molecular Geometry 1. Does the following Lewis structure represent an anion, a cation, or a molecule? If it represents an ion, what is the charge on the ion? 0: 2. Using the "octet rule" write the Lewis formulas for NF3 and NO3. 3. a) Explain in your own words what is meant by delocalized electrons. b) Draw all resonance structures for the nitrate ion. 4. Consider the molecule BF3. Two possible resonance structures are shown below....
For each of the following compounds decide what the charge of the anion and the cation is respectively. If the cation or anion is a polyatomic ion, you may simple state the charge on the entire polyatomic ion. (For example if PO. is present it would simple be-3). 5. a. CaO Anion: Cation: b. Fe2O Anion:_ Cation: c. Ba(OH);2 Anion: cation: d. NaOH Anion: Cation: e. NH4CI Anion: Cation: f. Na2COs Anion: Cation: g. K2SO4 Anion: Cation:_
4. Classify each of the following as a monoatomic cation, monoatomic anion, polyatomic cation, or polyatomic anion. (a) hydronium ion, H30+ (b) strontium ion, Sr2+ (c) sulfide ion, S2- (d) sulfate ion, SO42-
16. Draw the Lewis Structure for the carbon monoxide molecule. Calculate the carbon-oxygen bond order- this is a simple consideration Calculate the formal charge on each atoni in the molecule. Discuss the stability of CO and the meaning of the formal charges you calculated. 17. Draw the Lewis Structure for methane. Calculate the formal charge on each atom in the molecule. 18 Draw the Lewis Structure for the ammonium ion (NH). Calculate the formal charge on each atom in the...
13.Draw the Lewis structure for NCo, the oyanate anion, and calcle charges. Which statement is true: A. In the best Lewis structure the formal charge of the onygrn is B. In the best Lewis structure the formal charge of the osy gen is- C. In the best Lewis structure the formal charge of the carbon is D. In the best Lewis structure the formal charge of the nitrogen is-1 E. In the best Lewis structure the formal charge of the...
The following Lewis diagram represents the valence electron configuration of a main-group element. This element is in group 2A According to the octet rule, this element would be expected to form a(n) with a charge of cation anion If X is in period 4, the ion formed has the same electron configuration as the noble gas The symbol for the ion is
lewis dot structure problem [:S=N-c: 1 In the above polyatomic anion, what is the formal charge on: S? Answer: [:S=N-C: 1! In the above polyatomic anion, what is the formal charge on: N? Answer: [:S=N-0: 1 In the above polyatomic anion, what is the formal charge on: C? Answer
4. Classify each of the following as a monoatomic cation, monoatomic anion, polyatomic cation, or polyatomic anion. (a) hydronium ion, H20 (b) strontium ion, Sr2+ (c) sulfide ion, S2 (d) sulfate ion, SO,2- ions 8. Supply a systematic name for each of the following mono- atomic anions, (e) (a) O (C) NS- (b) S? (d) p3- Writing 10. Provide the formula for each of the following monoatomic cations. (a) lithium ion (b) silver ion (c) iron(III) ion (d) tin(IV) ion
A Lewis structure is a two-dimensional representation of a molecule that does not necessarily show what shape that molecule would take in three dimensions. Based on the Lewis structure and your knowledge of VSEPR theory, approximate the smallest bond angle in this molecule. Х, х X- х
Day 11-14: Draw the most stable Lewis structure possible for each molecule, and give as much information as you can. Place any formal charge on the correct atom(s). Label the structure if it involves resonance. Describe the molecular geometry about EACH of the central atoms, and if the molecule is polar, represent the overall dipole of each molecule. Describe each of the intermolecular forces present in a pure sample of compound you drew a Lewis Structure for. Day 11-14: Draw...