Chapter 8 Basic Concepts of Chemical Bonding Chemistry, The Central Science, 11th edition Theodore L. Brown; H. Eugene LeMay, Jr.; Bruce E. Bursten and Catherine J. Murphy Chapter 8 Basic Concepts of Chemical Bonding Donna Narsavage Heald Siena College Loudonville, NY  2009, Prentice Hall

Which atom sometimes violates the octet rule? N O F S

Which atom sometimes violates the octet rule? N O F S

Order the following according to increasing atomic radius. Ge Si Se Cl Ge < Si < Se < Cl Se < Si < Ge < Cl Si < Cl < Ge < Se Cl < Si < Se < Ge Si < Ge < Se < Cl

Order the following according to increasing atomic radius. Ge Si Se Cl Ge < Si < Se < Cl Se < Si < Ge < Cl Si < Cl < Ge < Se Cl < Si < Se < Ge Si < Ge < Se < Cl

Which of the following will have the largest lattice energy? CsCl ZnS CaF2 NaCl Diamond

Which of the following will have the largest lattice energy? CsCl ZnS CaF2 NaCl Diamond

What is the electronic configuration of Fe2+? 4s23d4 4s13d5 3d5 3d6 4s23d8

What is the electronic configuration of Fe2+? 4s23d4 4s13d5 3d5 3d6 4s23d8

How many unpaired electrons are there in Cu+? 1 2 3 4

How many unpaired electrons are there in Cu+? 1 2 3 4

What is the average bond order in the molecule ozone, O3? 1 1.33 1.5 1.67 2

What is the average bond order in the molecule ozone, O3? 1 1.33 1.5 1.67 2

What is the average S—O bond order in the Lewis structure of sulfur trioxide, SO3? 0.5 1 1.33 1.5 2

What is the average S—O bond order in the Lewis structure of sulfur trioxide, SO3? 0.5 1 1.33 1.5 2

How many resonance structures can be drawn for NO3–? 1 2 3 4 5

How many resonance structures can be drawn for NO3–? 1 2 3 4 5

Considering formal charge, what is the preferred Lewis structure of NCO–?

Considering formal charge, what is the preferred Lewis structure of NCO–?