lewis dot structure quiz

Draw the Lewis dot structure of NH₃

Draw the Lewis dot structure of CH₂Br₂

Draw the Lewis dot structure of O₂

Draw the Lewis dot structure of HCN

Draw the Lewis dot structure of SO₄ ^-2

Which of the following correctly represents the Lewis structure of PBr3?

• 
• 
• 

Looking at the molecule of Br2, which of the following correctly represents the number of shared

and unshared electrons in the diagram?

• 14 shared electrons, 0 unshared electrons

• 2 shared electrons, 12 unshared electrons

• 1 shared electrons, 12 unshared electrons

• 2 shared, 24 unshared

Is the diagram of PCl3 accurate?

• The structure is correct because there is a total of 26 electrons and each atom has fulfilled octet

• The structure is incorrect because there are 8 electrons around each atom

• The structure is incorrect because there are no lone pairs on Phosphorous

• The structure is incorrect because Cl only needs 2 electrons to fufill octet

How many valence electrons are present in a molecule of PCl3

• 26

• 21

• 5

• 4

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.HS-PS1-1