Draw the Line Bond Structure for ammonia (NH3) Step 1: Count the total number of valence electrons from all the atoms in the molecule. Chemical formula of molecule Atom # of atoms # of valence electrons X X X Total # of electrons in structure= = totals Step 3: Subtract the number of electrons used to make the skeleton structure from the total number of valence electrons. Total # of electrons in structure (from step 1 above) # of electrons used in skeleton (from step 2 above) Remaining # electrons to be added= Step 5: Check for Octets Check the structure in step 4 for octets (4 pairs) of electrons around each atom. If octet rule is satisfied, you are done. If octet rule is not satisfied, go to Step 6. Step 2: Draw the "Skeleton Structure" -Attach the atoms together with single bonds in the most symmetric way possible. Central atom is: Draw skeleton: # of electrons used in skeleton = (multiply # of bonds in skeleton by 2) Step 4: Add the remaining electrons as lone pairs as evenly as possible on all atoms except hydrogen. First: Re-draw skeleton here: Add remaining electrons to the skeleton as lone pairs Step 6: Use existing lone pairs to make double or triple bonds until the octet rule is satisfied for all atoms

Draw the Line Bond Structure for ammonia (NH3) Step 1: Count the total number of valence electrons from all the atoms in the molecule. Chemical formula of molecule Atom # of atoms # of valence electrons X X X Total # of electrons in structure= = totals Step 3: Subtract the number of electrons used to make the skeleton structure from the total number of valence electrons. Total # of electrons in structure (from step 1 above) # of electrons used in skeleton (from step 2 above) Remaining # electrons to be added= Step 5: Check for Octets Check the structure in step 4 for octets (4 pairs) of electrons around each atom. If octet rule is satisfied, you are done. If octet rule is not satisfied, go to Step 6. Step 2: Draw the "Skeleton Structure" -Attach the atoms together with single bonds in the most symmetric way possible. Central atom is: Draw skeleton: # of electrons used in skeleton = (multiply # of bonds in skeleton by 2) Step 4: Add the remaining electrons as lone pairs as evenly as possible on all atoms except hydrogen. First: Re-draw skeleton here: Add remaining electrons to the skeleton as lone pairs Step 6: Use existing lone pairs to make double or triple bonds until the octet rule is satisfied for all atoms

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU2: Smells: Molecular Structure And Properties

Section: Chapter Questions

Problem 3STP

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