Lewis Structure Practice

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A

• structure B

• structure C

• structure D

What is the correct Lewis structure for NH₃?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct Lewis structure for carbon dioxide?

• 
• 
• 
• 

What is the correct formula for this molecule?

• Si₄F
• SiF₄
• SiF
• Si₄F₄

Why is this Lewis Structure incorrect? Select all that appy.

• There should be a single bond between H and C.

• Nitrogen does not have a fulfilled octet

• Carbon has too many bonds around it.

• Hydrogen needs more electrons.

Tags

NGSS.HS-PS1-2

Why is this Lewis Structure incorrect? Choose all that apply.

• the number of valence electrons is not correct

• There should only be single bonds in this Lewis Structure.

• The Structure is missing a triple bond.

• Chlorine only has 6 electrons surrounding it.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct Lewis Structure for CH₃Cl?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2