New Chem Undergrad Needs Help with Lewis Structures & Empirical Formulas

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SUMMARY

This discussion focuses on the challenges faced by a chemistry undergraduate in understanding Lewis structures and empirical formulas, specifically for ionic compounds like potassium iodide (KI) and calcium fluoride (CaF2), as well as the covalent compound sulfur dichloride (SCl2). The user seeks assistance in writing Lewis structures and balanced chemical equations for reactions involving silicon and chlorine, lithium and bromine, and ethylene with chlorine, resulting in 1,2-dichloroethane (C2H4Cl2). The community emphasizes the importance of attempting the problems independently to foster understanding of the material.

PREREQUISITES
  • Understanding of ionic and covalent bonding
  • Familiarity with Lewis dot structures
  • Knowledge of chemical equation balancing
  • Basic concepts of molecular geometry
NEXT STEPS
  • Study the process of drawing Lewis structures for various compounds
  • Learn how to balance chemical equations effectively
  • Explore the properties and examples of ionic vs. covalent compounds
  • Investigate the reactions of alkenes with halogens, focusing on addition reactions
USEFUL FOR

This discussion is beneficial for chemistry undergraduates, educators teaching introductory chemistry, and anyone looking to strengthen their understanding of Lewis structures and empirical formulas in chemical reactions.

odooma
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Hi

This is my first science subject ever, and I am having difficulties so I would love to have all the help I can get please.
My assignment is about Lewis structures and empirical formula for the following



Homework Statement


1.potassium iodine, 2. calcium flouride, (these two are ionic compounds)
3. sulfur chlorine ( covalent compound)

Write both an equation using Lewis structures and a balanced chemical equation for the ff reaction
1. Silicon atoms and chlorine molecules
2. Lithium atoms and bromine molecules
3. Ethylene molecules (C2H4) and chlorine molecules; the product is C2H4Cl2


Homework Equations





The Attempt at a Solution

 
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You need to attempt the question and let us know where your stuck. No one will do the work on here for you. We need to understand the material. :)
 
Emp form Lewis
..
potassium iodine - potassium iodide KI K. .. I.
..
..
calcium flourine - calcium chloride CaCl .Ca. ..Cl..
.
 

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