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

Tags

NGSS.HS-PS1-1

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

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

• C

• N

• H

• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• NaF

• SrO

• LiH

• H2O

• K2S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.

Tags

NGSS.HS-PS1-1

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

• P

• O

• C

• Ba

• N

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

which of these molecules has the most ionic bond?

• O-O

• C-O

• Na-O

• Li-O

• Mg-O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

which of these bonds is the most polar?

• N-H

• O-H

• P-H

• Se-H

• C-H

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

which of these molecules has the smallest dipole moment?

• Cl2

• HCl

• H2SO3

• NO

• N2O