Electrons, Bonding, Lewis Structures - Chapter 13

in a lewis structure, a terminal atom is bonded to:

• no atoms

• one atom

• more than one atom

in a lewis structure, each atom gets an outer-shell of how many electrons?

• 2

• 4

• 8

• 10

in a Lewis dot structure, the ____ atom is typically the least electronegative

Which of these atoms does not gain a full outer shell of (8) electrons?

• C

• N

• H

• O

which of these molecules has atoms that are covalently bonded to each other?

• NaF

• SrO

• LiH

• H2O

• K2S

draw a lewis structure for CH2O

Answer explanation

Do you have a double bond between Carbon and Oxygen? Does your Carbon have 4 bonds and NO lone pairs? Does your Oxygen have two lone pairs? If the answer to all of these questions is yes, then you have the correct answer.

which of these atoms is least likely to form multiple bonds?

• P

• O

• C

• Ba

• N

which of these molecules has the most ionic bond?

• O-O

• C-O

• Na-O

• Li-O

• Mg-O

which of these bonds is the most polar?

• N-H

• O-H

• P-H

• Se-H

• C-H

which of these molecules has the smallest dipole moment?

• Cl2

• HCl

• H2SO3

• NO

• N2O