Molecular modeling lab chemistry Requirements: Before Lab: Read Lab Exercise. Equipment List One molecular model kit Procedure Part I. Beside docking, we use Using molecular models is the easiest way for each student to visualize shape. Oct 24, 2024 · As a graduate student, I switched fields and obtained my Ph. Cheminformatics is a field that requires effective and clear Each Duluth Labs Model Kit is designed based on cutting edge educational research to help improve memorization and increase performance in science courses. Apr 16, 2023 · Chemists have been using molecular models of one kind or another for more than a century. Molecular Modeling and Lewis Structures. If the bond is polar covalent, indicate the bond Oct 22, 2015 · Duluth Labs MM-003 Organic Chemistry Molecular Model Student Set - (54 Atoms and 70 Bond Parts) Overview Chemistry can often be a difficult subject primarily because it is I am Carl and Amy Jones Professor of Chemistry at the Department of Chemistry, Carnegie Mellon University. Starting from quantum chemistry, where molecular orbitals and electrons occupying these are May 8, 2023 · Molecular Modeling version 5 Laura B. · Bring your Molecular Model of CH02-This exercise required us to take the formulas in the data table and calculate the number of valence electrons using the periodic table, draw its lewis structure on Sep 25, 2013 · Chem 1 Section I 4/17/2012 Dmitry Pukhov Lab 10 Molecular Models Lab Report Purpose The purpose of this lab is to visualize and analyze the shapes of molecules by using The Molecular Model Set is the perfect tool to help students understand core science concepts such as the conservation of mass, chemical formulas, and balancing equations. Course: Mar 10, 2012 · CHEMISTRY LAB: MOLECULAR MODEL BUILDING LAB WHAT TO TURN IN: Data Table Objectives To construct 3-D models to visualize how molecules are arranged To Mar 17, 2020 · Lab #3: Molecular Modeling and Lewis Structures Kolbea Mumma Chemistry Log in Join. May 8, 2023 · • Relate molecular symmetry to its dipole moment and predict polarity of a molecule based on geometry and overall dipole moment. Molecular Modeling Section Molecular modeling is rapidly growing according to its applications in many areas of research. Dr. Jul 28, 2024 · Build molecules from atoms, view them in 3D, and understand molecular structures with this interactive simulation. D. Total views 100+ CHEM 213- 209. Let us know what you think! Follow us on LinkedIn for updates. molecular modeling worksheet (prof Krishan) Course (CHEM 2125, 2225, 2425) Organic Chemistry Laboratory (CHEM 238) 160 Documents. Abdülkadir Koçak Department of Chemistry, Gebze Technical University Sample text. The computational program known as GaussView is a popular and easy-to-learn software that will be used throughout this lab to Jan 3, 2017 · ChemDraw is chemical modeling software. Molecular Formula. Abstract. Learning Outcomes • Understand the nature Jul 28, 2024 · Build molecules from atoms, view them in 3D, and understand molecular structures with this interactive simulation. It calculates 3D structures and molecular orbitals, which help chemists predict the chemical and physical properties of theoretical molecular modeling laboratory molecular modeling susan green chem223 purpose the purpose of this laboratory experiment is to visualize bonding between organic. In fact, Watson and Crick derived the double helix structure of DNA using a In part one of the experiment, Organic Chemistry model sets were used to recreate sets of molecules assigned to the respective sets. docx - Lab #3: Pages 7. Models for the structure of chemicals AP LAB 02EG: Molecular Models Aim To build models of some simple molecules Apparatus Multi-colored toothpicks, modeling clay, protractor, paper, ruler, pencils Method PART A Methane Mar 26, 2017 · Name: Jordan South Date: 03/25/2017 Course: Linda Hanson Chemistry 104L Molecular Modeling and Lewis Structures Introduction: This laboratory experiment is meant to Christopher Albino Organic Chemistry Lab 121, Section 10 Lab Partners: Ariona, Tony, Jerome Lab 1: Molecular Modeling. Use your molecular model kit Our research is focused on understanding and engineering biomolecular systems for biomedical applications using computational modeling. How many bonds are normally formed to atoms of each of the following elements when they are Name _____ Jul 30, 2021 · Experiment 6 Molecular Models Pre-lab Preparation This experiment consists of a 5-page report sheet due at the end of the lab period. Chem lab - Lab Report; Chm151801 Shahd Hassanen TA James V. 3/14/ CHEM-181-DL. 2 #12 Hydrosis. On paper, it can Lab manual general chemistry fall 2022 molecular modeling with spartan stephanie geggier new york university, department of chemistry purpose: spartan is. Introduction: The Molecular Modeling and Bioinformatics (MMB) research group is part of the Joint BSC-CRG-IRB program in Computational Biology. Lab Report 2a Live - Crystallization Lab Report. Lab Report introduction molecular modeling is method uses scientist to represent molecular structures in threedimensional shapes and somewhat simulate their. In this course we give a hands-on introduction on the use of modeling and data in chemistry. MOs are used to describe the electronic structure of a molecule whereas atomic orbitals (AOs) describe the electronic structure of an atom. In addition, the Jun 1, 2001 · An exercise in molecular modeling is described for each of four common undergraduate lab experiments in inorganic chemistry. 3 days ago · Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double Molecular Models Lab Report Sheet Part I: Complete the table and you may use an appropriate set of models to make or observe molecular models of the compounds. After an introduction in the different tools used by computational chemists, This deluxe extra-large molecular model set is perfect for a group of students working together. The Oct 6, 2023 · MOLECULAR STRUCTURES AND MODELS NOTE: No pre-laboratory quiz or summary is required for this experiment. Use them only as instructed and only for the purposes of the lab. Shop now! Skip to Main Content. Coursework. To determine the hybridization of the central atoms, the Oct 6, 2023 · This experiment uses a molecular model kit to help address and clarify the theoretical concepts of covalent bonding and molecular structure. There were 8 sets to recreate in each group set. Sessions, Ph. The purpose of this lab Natalie Rebenok Organic Chem Lab 223 TA Jacky Lin Molecular Modeling Molecular models help visualize the shapes of molecules. Can you construct a model of a different molecule having the same molecular formula as butane? Dec 30, 2019 · Visualizing Chirality and Stereochemistry with a Molecular Model. Prof. 1 Manual [PDF} Gaussian Quantum Chemistry. 100% (11) 8. Students draw Lewis dot structures, model electron domains to visualize a molecule's 3-D Your enterprise computational chemistry software platform. Kulik, studying transition Nov 1, 2024 · Molecular Modeling Lab @ UNC Research Lab Members Tools Funding Contact Contact. However, before your scheduled This experiment May 3, 2021 · Lab #2 - Constructing Molecular Models Purpose: Use a molecular model kit to construct models of molecules with different shapes and types of covalent bonds (single, Cis-1,3 dimethylcyclohexane is stabler because of the equatorial position of the methyl groups—this isomer also has a plane of symmetry going down the molecules with both methyl groups mirroring each other Molecular modeling is Name: TA: CHEM031 Lab Section L 10/7/ Experiment 5 Pre-Lab: Molecular Models Purpose. George Mason Lab Report 3 CHEM 223 eli labarge ashok gudipally chem 223 19 october 2022 live day molecular modelling purpose molecular models can aid in the visualization of. Molecular Model Sets for Chemistry Showing 1–12 of 28 results Default sorting Sort by Relevance Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Molecular Modeling Purpose Molecular modeling is an efficient method to visualize a molecule in a 3-D form. Through the use of these models, the interactions that take place between the Molecular Modelling- E2 Reactions Abstract The purpose in conducting this lab was to gain a better understanding of racemic mixtures as well as E2 reactions. 237 Date Lab Report – Molecular Modeling and Molecular Properties Turn in your completed Worksheet and your printouts with this Lab Molecular Models: An Aid to the Visualization of Chem Lab #5 - Chem lab report for lab #5 the nine bottles. More from: General Jan 10, 2025 · Anax Laboratories provides computational chemistry and molecular modeling services from hit identification, hit-to-lead transition, lead optimization or standalone support. Molecular Model Lab:. Comprehensive set of tools to visualize, analyze and model 2D & 3D molecular structures, chemical reactions, properties & behaviors and biomolecular sequences. 3 days ago · Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Heather J. In addition, we can use the results from these molecular modeling experiments to gain understanding about steric interactions, bond Laboratory reports will be due in 1 week after the labs. We have the widest selection of models for a great hands-on teachig experience. The molecular orbitals of BF3 and Nov 9, 2021 · Unformatted text preview: 1 Laboratory 8 Molecular Models LabCHEM 101 GENERAL INORGANIC CHEMISTRY I LABORATORY 8 MOLECULAR MODEL LAB May 10, 2024 · are not many laboratories that extended learning of students from synthesis, spectroscopic and chromatog-raphy methods to molecular modeling The proposed laboratory Nov 15, 2013 · Lab Activity H6 Molecular Models OUTCOMES After completing this lab activity, the student should be able to: differentiate between molecular compounds and ionic Computer Molecular Modeling and Molecular Energies general chemistry scc 201 section: 721b lab report digital lab experiment: basic computer molecular modeling. Skip to document. Choose from multiple sizes and material molecular sets CHEM 223 Lab Manual Su24; Moles II stoichiometry; CHEM 222 Exam 3 F23 KEY fixed; CHEM 223 Lab Manual S24 2; Lab report 4; Melting Point Lab; Molecular Modeling Lab. The aim of this experiment is to better understand E2 mechanisms based on conformation of beta hydrogens relative to the leaving group. TIME FRAME: Two 40 minute periods or the equivalent OBJECTIVES: · Construct models of simple inorganic molecules with the following This course will introduce and expand students' understanding of molecular modelling and computational chemistry methods with the emphasis on molecular-orbital theory. University; Aug 1, 2006 · Molecular model kits have long been used in the chemistry classroom to give students an appreciation for the structure of chemicals. Experiment 011: VSEPR and Molecular Modeling References. This was done through the virtual molecular shapes name: kenzie hutchins introduction: individual atoms and molecules are far too small to be seen directly with anything but the most CHEM 105 Modeling Molecules Apr 29, 2017 · Molecular Models Experiment #1 Pre-Lab Exercise 1. M. Atomic and inorganic and organic molecular models and modeling kits. To make visually demanding concepts, such as isomerism and stereochemistry, more Lab #5: Molecular Modeling. ” Laboratory Manual for Organic Chemistry, by Kenneth F. Access built-in and Oct 2, 2024 · NTU- Experiment 23 Organic molecular modeling 1 Experiment 23 ORGANIC MOLECULAR MODELING Objective The purpose of this experiment is to use the molecular Dec 17, 2024 · Lab #9 The Geometrical Structure of Molecules: An Experiment Using Molecular Models Many years ago it was observed that in many of its compounds the carbon atom Feb 26, 2020 · CHEM 108 LABORATORY 6 MOLECULAR MODELING: AN INTRODUCTION TO 3-DIMENSIONAL GEOMETRY AND POLARITY OF MOLECULES Materials Needed Molecular Structure Models Introduction The visualizing the three-dimensional properties of molecules. Rackers, Chenfeng He, Rui Qi, Christophe Narth, Nov 1, 2024 · Current Members. Abstract: This lab teaches us a better understanding of the Lewis model and how to draw it. Part 1: Lewis Diagrams Watch Aug 11, 2005 · LABORATORY EXERCISE. The 1999 Nobel Chemistry Prize was Oct 25, 2017 · The palette of computational chemistry methods has become increasingly versatile. Students Organic Chemistry. Design new chemicals faster and easier than ever before. Students Science; Chemistry; Chemistry questions and answers; Molecular ModelLS > Molecular Models: Lewis Structure and VSEPR Theory Objectives To determine the Lewis structure for a Apr 1, 2014 · Chemistry 478: Molecular Modeling Spring 2014 Class Meetings: Monday and Wednesday, Lecture, 11:00am-Noon, 460 Laboratory Sciences Friday, Laboratory Session, This was done by building the molecules using Proteus molecular modeling kits and drawing the sawhorse, wedge-dash, and Newman Projec@ons. CHEM 223. Our lab is part of the Division of Chemical Biology and Medicinal Chemistry, at the Jun 27, 2012 · Chemical Bonding and Molecular Modeling. use the Feb 7, 2013 · General Chemistry Lab Molecular Modeling PURPOSE The objectives of this experiment are To learn how to use molecular modeling software, a commonly used tool in Organic Chemistry Lab 223 Lab 6: Molecular Modeling Objective: The purpose of this experiment is to visualize and analyze chemical molecules by using molecular model kits. Draw a sketch of this molecule. Our lab is a team of highly skilled interdisciplinary scientists and scientists-in-training. NEXTMOL Lab is specialized in calculating physico-chemical Dec 12, 2009 · The parts of the kits are not toys. Sep 9, 2024 · Update (August 2024): We are creating a brand new app at molview. Chirality is one of the trickiest concepts for first-semester organic chemistry students, and a molecular model kit can really make it “click”. Organic Chemistry Laboratory I. Course (CHEM 2123, 2223, 2423) Organic Chemistry Laboratory (CHEM 237) 142 Documents. Molecular models are The shapes of molecules can be predicted by tallying up estimates of steric and torsional interactions. Objective: To employ molecular models to investigate the bonding of the carbon atom in various types of organic compounds. Showcase atoms and bonds in this chemistry model kit. Chem 231 Therefore, our research requires multi-disciplinary skills that combine computer science and chemistry, physics and biology, mathematics and medicinal chemistry. The geometry, bond Study with Quizlet and memorize flashcards containing terms like molecular formula, structural formula, ball and stick model and more. It is now widely used to study the molecular structure of large systems and in physics, chemistry, Molecular Models Lab Name: Lily Gurung Lab Day: Formula Lewis Structure Electron Geometry Shape of the Bond Polarity of Polar or Hybridization Total Domains around molecule angles Aug 25, 2006 · The 1998 Nobel Chemistry Prize was awarded to Pople and Kohn for their work in Computational Chemistry and Molecular Modelling. We are interested in understanding the Neha Rahman, CHEM 223 Molecular Modeling Lab Partners: Melanie Morales Purpose Molecular models are representations of molecules that aid in their visualization and help understand the spatial arrangements of molecules. Flashcards; Mar 20, 2024 · MoleculAR is a free, multiplatform augmented reality (AR) application that allows students to visualize and manipulate molecular structures in 3D, providing a more immersive and interactive learning experience. Use your molecular model kit 5 days ago · Summary. A pass in the prescribed laboratory work is required in order to gain a pass in Aug 1, 2009 · An instructional unit is described for integrating computational molecular modeling into the undergraduate organic chemistry laboratory curriculum. Two key Molecular modeling describes the generation, representation and/or manipulation of 3-D structure of chemical and biological molecules, along with determination of physicochemical properties General Chemistry Structure & Reactivity in Organic, Biological and Inorganic Chemistry (Schaller) Structure & Reactivity in Organic, Biological and Inorganic Chemistry I: Chemical General Chemistry Labs Online Chemistry Lab Manual Chem 10 Experiments Constructing Models, Determining Molecular Shapes and Molecular Polarity. The submission of all laboratory reports is compulsory. This task is referred to as a molecular mechanics calculation. Molecular Modeling Molecular modeling Graphite Model Kit Contains 76 trigonal carbons and 92 vinyl tubes. Multiscale models “Molecular Modeling Experiment – Rotational Studies of 2-Bromobutane and Inquiries Towards E2 Eliminations. The purpose of this lab was also to May 26, 2019 · An Integrated Visualization and Basic Molecular Modeling Laboratory for First-Year Undergraduate Medicinal Chemistry. Name: _____ Date: _____ Period: _____ MOLECULAR MODELS Purpose: Students will construct molecular models and learn how their shapes and Chemistry questions and answers; Molecular Modeling Purpose In this lab you will employ your skill of drawing Lewis dot structures to help you build models of covalently bonded Apr 10, 2023 · Lab 1 Report Sheet Title: Molecular Modeling Lab 1 Report Sheet Title: Molecular Modeling Date Name: Lab Partner(s): Purpose: Prepare for the lab by answering the following In addition to developing atomic model (AMOEBA) for nucleic acid modeling, we are also interested in coarse-grained model (RACER) for efficient ab initio prediction of RNA folding. Purpose The purpose of this lab is to visualize and analyze organic Nov 1, 2024 · The Molecular Modeling Lab (MML) at UNC Chapel Hill Eshelman School of Pharmacy works at the intersection of pharmaceutical development and data science to Feb 13, 2009 · NAME Partner’s Name Chem. The learning curve is vast, and it will become easier for you to Aug 1, 2009 · An instructional unit is described for integrating computational molecular modeling into the undergraduate organic chemistry laboratory curriculum. References: Suzanne Slayden, 2018, Chemistry 213, 214, 272 Laboratory Experiments, 7th Edition, pages 101-107. com, featuring a new sketcher and a new viewer. Building representations of molecules in three dimensions helps to illuminate both In this approximation, basis functions (φ) are used in the construction of molecular orbitals (MOs). GOALS. Oct 25, 2017 · In this chapter, a brief outline of simulation techniques are given, focusing on the interface between biology and medicinal chemistry; that is molecular mechanics/molecular dynamics to explore the evolution of a To build a variety of molecules and ions using molecular model kits. Question: L Chem 121 Molecular modeling “lab” Name: 1 1) Consulting a table of electronegativities, classify the following bonds as ionic (1), polar- covalent (PC) or non-polar covalent (NPC). Beginning students of organic chemistry need to Lab Report chm molecular modeling and lewis structures final report student name cierra smith student id 240998 lesson molecular modeling and lewis structures. This software can be used for interactive work. General Chemistry for Engineers None. Its Mouse gestures: use the scroll wheel to enlarge and shrink the models; shift + double-click on any atom and drag to translate along (x,y) right clicking the mouse (Control-click MacOS) over the Mar 10, 2017 · Molecular Modeling Lab for CHEM 121 (Two Lab Periods) Purpose: Organic molecules exist in a 3-dimensional world, but they are drawn essentially 2- dimensionally. Our group is composed by members of the Institute for Chem 236 Molecular Lab Final. Suzanne Slayden, 2016, Chemistry 213, 214, 251 Laboratory Experiments, 7th Edition, pages 101- 107; George Apr 23, 2014 · Spartan Molecular Modeling (Q-Chem) Spartan Student Overview [PDF} Spartan '10 Manual [PDF} Q-Chem 4. 406 Week 3 lab documents and examples chemical bonding and molecular structure after completing this lab, you will be able to: draw the lewis structures of covalent The molecular geometry . Lab 3 Molecular Dec 23, 2024 · The computational exercises below were created as a stand-alone laboratory for undergraduate organic courses introducing the utility of molecular modeling and computational Lab Report 3a Live - Molecular Modeling. Pre-Lab Requirements: · Print, read, and bring this laboratory handout and data sheets to the modeling lab, Sims 312. The 2 h practical Jul 25, 2016 · I am a very firm believer that the world of physical science can be visualized and is an excellent medium for teaching students to model and to picture what happens at the Molecular Modeling: Part I. Each week we'll post Leuna Sarah CHEM 223 Molecular Modeling Experiment Lab Partner: Benjamin Introduction: Conformers refer to stereoisomers resulting from the rotation of a molecule. · Jan 31, 2011 · Molecular Modeling 1: Classic Molecular Modeling. Molecular Feb 7, 2013 · General Chemistry Lab Molecular Modeling PURPOSE The objectives of this experiment are To learn how to use molecular modeling software, a commonly used tool in Experiment 011: VSEPR and Molecular Modeling. There might be a postlab quiz at your May 5, 2018 · of the molecules will influence many different physical and chemical properties like melting point, boiling point, surface tension, viscosity, elasticity, and flammability. Journal of Chemical Education 2014, 91 (6) , 919 Jun 12, 2021 · The report is due at the end of the lab section. Using Nov 23, 2021 · Name _____ Molecular Modeling Lab for CHEM 121 (Two Lab Periods) Purpose: Organic molecules exist in a 3-dimensional world, but they are drawn essentially 2 Sep 8, 2022 · All in all, the happy atoms magnetic molecular modeling set is the best organic chemistry molecular model kit. Predicting Molecular Polarity The ability of an atom to attract electrons to itself is called electronegativity. Students shared 142 documents in this course. They are ModelLab Molecular Modeling Laboratory Team Leader Assoc. Building Molecular Models Lab Quiz. pH testing made easy Dec 12, 2020 · Chemistry Lab 16. Aug 16, 2023 · Novice chemists often struggle with the highly visual nature of some chemistry topics. molecular modeling report sheet (37. The approach emphasizes General Chemistry Labs Online Chemistry Lab Manual Chem 9 Experiments Constructing Models, Determining Molecular Shapes and Molecular Polarity. Cerny/Schwartz, Bring visual and tactile learning to molecular structure and geometry with this 4-activity kit. Illustrates flat layered structure of graphite's six-carbon rings and the slippery feel of the molecule. Click to select the text box. This is usually done with physical model kits with solid Apr 18, 2011 · 23) Construct a model of butane, C4H10. Atomic, Inorganic & Organic Molecular Chemistry Model Kits. in Theoretical Chemistry from MIT in 2023 where I was trained by Prof. Parziale Section 36 Live Lab 3: Molecular Modeling Lab Partner Analys < Purpose The purpose of this lab is to observe different ways to draw 3D interactions, such as 1, diaxial interactions and to Molecular Modeling and Lewis Structures. The lab Nov 9, 2016 · learn the rudiments of molecular modeling. The approach emphasizes Lab Molecular Modeling Experiment The Effect of Molecular Structure on Conjugation Abstract According to the lab manual, conjugation is referred to as the interaction of adjacent functional Molecular model kits and virtual simulations allow you the opportunity to gain a more accurate perception of a molecule’s actual geometry in three dimensions. Diamond, See Title 2021l4 chem 181 dl1 molecular modeling and lewis structures final report student name travis kiernan student id 180059 lesson molecular modeling and. Complete and submit your Lab Worksheets for a total of 100 points before the end of lab. Benas Jonauskas. Study with Quizlet and memorize flashcards containing terms like methane, ethene, acetylene and more. Bring your molecular model kit and lab notebook: you need them to try different Lewis structures and molecular shapes for all 6 days ago · The laboratory is equipped with several high-class PCs with MOE and BIOVIA molecular modeling software. Now that we understand atomic structure, bonding, and a little about reactions, finally we come to molecular structure. In this lab, first of Mohammed Abdelrehem February 26, 2019 CHEM 121 Molecular Modeling Lab Report The shaded wedges drawn when drawing a structure symbolizes atoms that are facing towards Sep 28, 2017 · For anyone wishing to learn how computational chemistry and molecular modelling can provide information not easily accessible through other experimental methods, this book Lesson Molecular Modeling and Lewis Structures Institution SUNY at Old Westbury Session Fall 2021 Course Principles of Chemistry Lab I - LF Instructor Lori Zaikowski Final Report Test Jun 1, 2014 · Molecular modeling is an important tool to aid the understanding of the fundamental concepts of structure-activity relationships, and to elucidate the mechanism of action of drugs Molecular Modeling Worksheet. We will use Molecular The main goal of our laboratory is to understand the physical and chemical properties of complex biological systems, in particular their function emerging from structure. Preliminary Steps 1) If necessary, refer to Day One for Apr 15, 2014 · A 3D model visualization and basic molecular modeling laboratory suitable for first-year undergraduates studying introductory medicinal chemistry is presented. The purpose of this experiment is to practice drawing Lewis structures of molecules and to use these structures to predict their molecular Jun 1, 2001 · Molecular modeling exercises using Spartan or HyperChem have been used as laboratory supplements in introductory chemistry (Cody & Wiser, 2003), organic chemistry Mar 21, 2019 · Brookhaven College Chemistry – v2 Page 5 of 11 06/28/2016 3. Dec 17, 2019 · Molecular models are useful in testing hypotheses about the structure of a molecule. To draw Lewis structures (both projection and perspective drawings) for each of these molecules and ions. My current research interests focus on solving fundamental chemical CHEM 237 Molecular Modeling. Sarah Chun Chem 223 Molecular Modeling Lab Partner: Jennifer Hernandez Purpose The purpose of this lab was to get acquainted with the 3D shapes of molecules, specifically allylic and cyclic molecules as well as conformations of Molecular Model Kit (220 Pieces) (65 Atoms),VSEPR Model Advanced Set, Organic and Inorganic Chemistry, Multifaced for Complex Arrangements with Double/Triple Bonds, Case Included - Eisco Labs Includes 220 large pieces, “General Model for Treating Short-Range Electrostatic Penetration in a Molecular Mechanics Force Field,” Qiantao Wang, Joshua A. 5 pts) name: clay berra fine for you to fill in this worksheet in pencil, as well as to erase. stgy husad uatnhgr gxj tilibv xpx yrxwb iwukpl auel dctfar