- Draw Lewis structures for each of the following. Give the total number of valence electrons, select from the lists the number of Regions of Electron Density (REDs) around the central atom, the molecular shape, and the bond angles. - Do not put covalent bonds between metals and nonmetals. - Put brackets around anions to show both charge and quantity REDS 0, no central atom 2 3 4 Shapes tetrahedral pyramidal bent trigonal planar linear diatomic monatomic ions Bond Angles 109.5° 120° 180° none, no central atom 9. Na3P valence e = REDs = shape= bond angles = 10. AI(NO3)3 valence e = REDs = shape= bond angles = sodium phosphide aluminum nitrate For nitrate

- Draw Lewis structures for each of the following. Give the total number of valence electrons, select from the lists the number of Regions of Electron Density (REDs) around the central atom, the molecular shape, and the bond angles. - Do not put covalent bonds between metals and nonmetals. - Put brackets around anions to show both charge and quantity REDS 0, no central atom 2 3 4 Shapes tetrahedral pyramidal bent trigonal planar linear diatomic monatomic ions Bond Angles 109.5° 120° 180° none, no central atom 9. Na3P valence e = REDs = shape= bond angles = 10. AI(NO3)3 valence e = REDs = shape= bond angles = sodium phosphide aluminum nitrate For nitrate

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter4: Molecular Structure And Orbitals

Section: Chapter Questions

Problem 123CP: Carbon monoxide (CO) forms bonds to a variety of metals and metal ions. liS ability to bond to iron...

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rn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [Review Topics] [References] Use the References to access important values if needed for this question. The following Lewis diagram represents the valence electron configuration of a main-group element. This element is in group According to the octet rule, this element would be expected to form an ion with a charge of| If X is in period 4, the ion formed has the same electron configuration as the noble gas The symbol for the ion is M Submit Answer Retry Entire Group 8 more group attempts remaining M) M ts 2reg pts M) 1 pts OM) Previous Next Email Instructor Save and Exit
Answer the questions in the table below about the shape of the phosphorus pentabromide (PBr,) molecule. How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one) Ar Explanation Check © 2021 McGraw Hill LLC. AlI Rights Reserved. Terms of Use Privacy Center | Accessibility
Draw the Lewis structures for each of the following moleculesor ions. Identify instances where the octet rule is notobeyed; state which atom in each compound does not followthe octet rule; and state how many electrons surround theseatoms: (a) NO, (b) BF3, (c) ICl2-, (d) OPBr3 (the P is the centralatom), (e) XeF4.
17. i)Produce balanced chemical equation using correct formula and symbols Aluminuim + Hydrochloric acid Hydrogen gas Aluminum chloride + ii) Explain bonding in Aluminum Chloride using Lewis electron dot- cross structures
QUESTION 17 Answer the following questions regarding the Lewis Dot Structure and geometry of: BF3 The bond order for the Boron - Fluoride bond is The number of charge clouds around the central atom is The geometry of the charge cloud is The hybridization of the central atom is The number of bonding charge clouds around the central atom is The number of non-bonding charge clouds around the central atom is The observed shape is (enter as 1,2,3,....) (enter as 1,2,3) (use the corresponding letter from the scheme below) Letter corresponding to the shape is in under the shape (enter as 1,2,3,...) (enter as 1,2,3) (use the corresponding letter from the scheme below)
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Draw the Lewis structures for each of the following ionsor molecules. Identify those in which the octet rule is notobeyed; state which atom in each compound does not followthe octet rule; and state, for those atoms, how manyelectrons surround these atoms: (a) PH3, (b) AlH3, (c) N3-,(d) CH2Cl2, (e) SnF62-.
Three main group elements, X, Y and Z, from three different groups inthe Periodic Table, each form a neutral trifluoride, i.e. XF3, YF3 andZF3. (a) To which three groups of the Periodic Table could the elementsX, Y and Z belong? Are any of these atoms X, Y or Zhypervalent in the trifluorides formed? (b) Use VSEPR theory to deduce the shapes of the molecules XF3,YF3 and ZF3, showing full working, and sketch these shapes (c) Only two of the three trifluorides have a non-zero dipole moment.For these molecules to which groups of the Periodic Table do thecentral atoms belong?
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32. Which term refers to how strongly an atom of an element attracts electrons in a chemical bond with another atom? (A) lonization energy (B) Atomic radius (C) Melting point (D) Electronegativity 33. Which of the following would have a trigonal pyramidal geometry? (A) NO2 (B) Оз (C) H2O (D) NH3 34. Calculate the molarity of a solution in which 360. grams of glucose, C6H12O6, are dissolved in enough water to make 250. mL of solution. (А) 1.0 М (В) 2.0 М (С) 4.0 М (D) 8.0 M 35. All of the following are ways to increase the rate of dissolving sugar except – (A) Increasing the mass of sugar (B) Crushing the sugar into a fine powder (C) Stirring with a spoon (D) Increasing the temperature of the water
7.13 Figure 7-2 depicts the interactions of an ion with its first nearest neighbors, second nearest neighbors, and third nearest neighbors in a lattice, (a) Would the interactions with the fourth nearest neighbors be attractive or repulsive? (b) Based on Coulomb's law, how would the relative sizes of the terms compare if the potential energy were expressed as V=V1st+V2nd+V3rd+V4th ?