Lewis dot symbols provide a simple rationalization of why elements form compounds with the observed stoichiometries. Department of chemistry university of texas at austin lewis structures practice worksheet draw the lewis structures for each of the following molecules.
You should consult the lewis structure rules and a periodic table while doing this exercise.
Chemistry worksheet lewis dot structures covalent compounds answer key. Sodium chloride magnesium sulfide calcium fluoride potassium oxide beryllium phosphide strontium bromide barium nitride potassium iodide lithium bromide page 2 of 2 3. A plot of the overall energy of a covalent bond as a function of internuclear distance is identical to a plot of an ionic pair because both result from attractive and repulsive forces between charged entities. We begin our discussion of the relationship between structure and bonding in covalent compounds by describing the interaction between two identical neutral atoms for example the h 2 molecule which contains a purely covalent bond.
Chemistry worksheet lewis dot structures answer key. Chemistry worksheet lewis dot structures name. Name the compound complete the lewis dot structure determine the molecular shape of the covalent compounds lewis dot structures h 2 naoh o 2 mgbr 2 hcl hbr h 2 o fecl 2 tii 4 ch 4 ccl 4 ncl 3 cs 2 chcl 3 hcn.
Each hydrogen atom in h 2 contains one electron and one proton with the electron attracted to the proton by electrostatic forces. Write the electron dot structure lewis dot structure for covalent compounds or ions. Draw lewis structures for the following molecules.
Chemistry worksheet lewis dot structures name. Use electronegativity to determine the polarity of a bond or molecule. Microsoft word lewis struture wkst key 1docx.
Microsoft word ws lewis structures covalent doc author. Given the name of a covalent compound write its formula. Write the empirical formula and draw lewis dot structures for these ionic compounds.
5 11a electron diagrams and lewis structures wkst. Determine if the compound is covalent or ionic. Given the formula of a covalent compound write its correct name.
Unit 4 covalent compounds 1. If you are not sure if your structure is correct do a formal charge check. Answer the following questions and check your answers below.
Perform the following on the compounds below. Draw lewis structures for the following covalent compounds. Lithium oxygen neon magnesium iodine boron sulfur carbon phosphorus ii.
These problems are for practice only will not be graded. Be sure you know how to draw correct lewis dot structures and are able to correctly predict the electronic arrangement and molecular geometry before going on to the lab assignment.