NAME SECTION POSTLABORATORY ASSIGNMENT Find the number of valence electrons (VE) for the following molecules. Draw...
EXPERIMENT 18 NAME DATE SECTION POSTLABORATORY ASSIGNMENT 1. Find the number of valence electrons (VE) for the following molecules. Draw the electron dot formula and structural formula for each molecule. The central atom is shown in bold. Molecule Electron Dot Formula Structural Formula (a) HOB DE THOSE VEN (b) PI 3 VE = (c) SiF4 VE (d) CS2 VE = (e) SO2 VE = Copyright © 2013 Pearson Education Molecular Models 215
Molecular Geometry Molecular Formula and Total number of Valence Electrons (of ve) Number of LEWIS ELECTRON Electron DOT STRUCTURE Domains and arrangement of Domains Around specified atom Hybrid Orbitals General Molecular Formula around specified atom VSEPR SKETCH VALENCE BOND SKETCH Molecular shape Around specified atom CH2Cl2 # of valence electrons POCI (Wolates octet rule) # of valence electrons
Experiment 7: Shapes of Molecules Name: Section: Date:_ Section: Last Name Date: First Name Report Sheet A. Lewis structure of Covalent Compounds and Polyatomic lons. . Draw Lewis Structure of carbon dioxide. What is the central atom? What is the total number of valence electrons? Draw the structural formula connecting the atoms using single bonds. Add electrons (in pairs) to the peripheral atoms until they attain octets (remember the exceptions to octet rule. Place remaining electrons on the central atom...
SO2 Total number of valence electrons Central Atom Coordination Number Electron Pair Geometry (Domain) (Draw the EDG) Hybridization of Central Atom Molecular Shape (Draw the Molecular Shape in 3D with solid wedges and dotted lines and include the dipole arrows if present Bond angle How many dipole arrows? Is the molecule polar or non-polar? Intermolecular Forces (IMF)
Complete the following table. Hint: Drawing the Lewis structures for these molecules after obtaining the total valence electrons will help you to complete the table) FIND: Molecule Total Valence Electrons in Molecule Total Electron Domains around Central Atom Electron-Domain Shape (Geometry) No. of Bonding Domains around Central Atom Number of Nonbonding Domains around Central Atom VSEPR Class Molecular Shape (Geometry) Polar? Y/N WITH THESE MOLECULES: HCN BH3 SnCl2 NH4+ H3 O+ NO2 SbF5 SeF4 BrF3 XeF2 SeF6 IF5 XeF4 2....
SO2 Total number of valence electrons _____________________ Central Atom _____________________ Coordination Number _____________________ Electron Pair Geometry (Domain) _____________________ (Draw the EDG) Hybridization of Central Atom _____________________ Molecular Shape _____________________ (Draw the Molecular Shape in 3D with solid wedges and dotted lines and include the dipole arrows if present Bond angle _____________________ How many dipole arrows? _____________________ Is the molecule polar or non-polar? _____________________ Intermolecular Forces (IMF) _____________________
1. Write the electron configurations and identify the number of valence electrons for each of the following elements. oxygen sulfur nitrogen hydrogen fluorine phosphorus 2. Write name of the molecular geometry for each of the following molecules. a. A molecule with the central atom surrounded by three atoms and one lone pair. b. A molecule with a central atom surrounded by two doubly-bonded atoms. c. A molecule with a central atom surrounded by two singly-bonded atoms and two lone pairs....
VSEPR Theory Name Paxton Pierpoint Partner's Name Section Number NH, How many valence electrons are in this structure? 1. Lewis structure 2. 3-D drawing и не 3. Number of atoms bonded to central atom 4. Number of lone pairs of electrons on the central atom 5. Electronic geometry 6. Molecular geometry 7 Hybridization of central atom 8. Polarity HCN How many valence electrons are in this structure? 1. Lewis structure 2. 3-D drawing 5. Electronic geometry 3. Number of atoms...
Also need help with number 3 please. Molecular Models and Chemical Bonds 2. Refer to the electron dot formula for each molecule in the preceding question. Using VSEPP theory, predict the electron pair geometry and molecular shape for each molecule. Molecular Electron Pair Geometry Shape Molecule (a) HOBI (b) PI; (c) SiF4 (d) CS2 (e) SO2 3. (optional) A hydrogen ion bonds to an ammonia molecule, NH3, forming the ammonium ion. Draw the electron dot and structural formulas for NH4+....
Non-bonding Valence Electron Pairs -- Lewis Diagrams Draw the "correct" (or best) Lewis structure for each of the following molecules (or molecular ions). 6 5 4 3 2 1 0 TeF4 molecule -- How many lone-pairs of electrons are on the central Te atom? 6 5 4 3 2 1 0 PO43- ion -- How many lone-pairs of electrons are on the central P atom? 6 5 4 3 2 1 0 CS2 molecule -- How many lone-pairs of electrons are on the...