3.a. Explain the following observations: (i). The bond dissociation energy of the hydrogen molecule (H2) is greater than that of the hydrogen molecule ion (H2). (ii). Both carbon and aluminium are solids and aluminium forms sheets whereas carbon breaks into pieces when hammered. (iii). Ammonia boils at -33.3°C while phosphine boils at -87.7°C. WA b. (i). State and briefly explain the shapes of the following substances: Substances NH3 Shape Explanation BF3 (ii). Draw the electron density map for the hydrogen chloride molecule. c.(i). What is the difference between a simple covalent bond and a dative covalent bo (ii). Draw the dot and cross diagram as well as the shape of NI; molecule. Give the angle. and account for the bonding in sodium bromide (NaBr).

3.a. Explain the following observations: (i). The bond dissociation energy of the hydrogen molecule (H2) is greater than that of the hydrogen molecule ion (H2). (ii). Both carbon and aluminium are solids and aluminium forms sheets whereas carbon breaks into pieces when hammered. (iii). Ammonia boils at -33.3°C while phosphine boils at -87.7°C. WA b. (i). State and briefly explain the shapes of the following substances: Substances NH3 Shape Explanation BF3 (ii). Draw the electron density map for the hydrogen chloride molecule. c.(i). What is the difference between a simple covalent bond and a dative covalent bo (ii). Draw the dot and cross diagram as well as the shape of NI; molecule. Give the angle. and account for the bonding in sodium bromide (NaBr).

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

8. What does the ion phosphate contain? * O 1 phosphorus, 4 oxygen, to the third power negative 1 phosphorus, 4 oxygen, to the second power negative 2 phosphorus, 4 oxygen, to the third power negative 1 phosphorus, 5 oxygen, to the second power negative lfate and sulfite?
Give detailed Solution with explanation needed with structure..don't give Handwritten answer
Lewis structure of SiI4. Any polar bonds in molecule? Polar or non polar?
8. Consider the molecules C2H6, NCI3, NaF, and SiO2 aheq-n.cbiupil art to a. In which compound are the bonds most polar? bien no bescd eeonsla b. Which compound on the list has the most nonpolar bonds? Snollomto to ae0nol 1slugniomelni seopnota erit asrl beibuta elordools or to ro C. Which ones are most likely to exist as gases at 25 °C and 1 atm?
1. For each molecular geometry, give the number of total electron pairs, the number of bonding pairs and the number of lone pairs on the central atom. (a) (b) (c) 2. For the following species provide the Lewis structure and make a 3D sketch showing estimated bond angles. Determine the polarity of each molecular and draw the dipole. a) SF4 b) KrF4 3. Determine the 3D structure of the molecule of formula C2H4O (H3CCHO). Indicate the geometry around each "central" atom and estimate bond angles. Representing Molecular Geometries on Paper X-A-X XX Linear Trigonal planar Bent Tetrahedral Trigonal pyramidal Trigonal bipyramidal Seesaw Octahedral Square planar
4. Explain why the following molecules can NOT existis X
ing and lea X G The element in period 5 that has X ent/takeCovalentActivity.do?locator-assignment-take 3 eq 2. The central nitrogen atom V A. Obeys the octet rule B. Has an incomplete octet. C. Has an expanded octet. Submit Answer [Review Topics] [References] Use the References to access important values if needed for this question. Lewis Structures Lewis Structures are used to describe the covalent bonding in molecules and ions. Draw a Lewis structure for NH4 and answer the following questions based on your drawing. 1. For the central nitrogen atom: The number of lone pairs The number of single bonds = The number of double bonds= 3 Retry Entire Group 4+ C Solved The following Lewis diagr X 00 144 6 9 more group attempts remaining + 0 44 ort sc A ENG deleta Previous back space 16 ☆ Next 11:55 AM 11/28/2022 end 1
Below is the Lewis structure of the peroxide (02) [:0:0:³- Count the number of bonding pairs and the number of lone pairs around the left oxygen atom. bonding pairs: lone pairs: ion. X
The nearest-neighbor distance in crystalline LiCl (rocksalt structure) is 2.570 Å; the bond length in a gaseous LiCl molecule is significantly shorter, 2.027 Å. Explain.
A east.cengagenow.com e: CHM 103 003 General Chemistry I C OWLV2 | Online teaching and learning resource from Cengage Learning 6:43 [References] Use the References to access important values if needed for this question. 1 pt Which one of the following bonds is the most polar? (electronegativities: C = 2.5, O = 3.5, Cl= 3.0, N = 3.0, H = 2.1) 1 pt 1 pt O H-CI 1 pt O C-H N-CI 1 pt OC-CI 1 pt O0-0 1 pt Submit Answer Try Another Version 5 item attempts remaining 1 pt 1 pt 1 pt Cengage Learning Cengage Technical Support
Which of the following oxyacids/hydroxides theoretically has the narrowest (smallest) 2O–Y-O bond angle (Y = central atom)? OA HPO3 O B. H,CO3 O C.H,BO3 OD.H,SO3 OE Si(OH)4 )) 9. U J K C V control option command comma * C0 IN