Biochem - Unit 1 - Zones 1 & 2 (Lewis, VSEPR, Formal Charge)

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

With only 2 elements there is no real central atom.

• A

• B

• C

• D

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.HS-PS1-4

Calculate the Formal Charge for the Oxygen Labeled 1 

• -1
• +1
• 0
• -2

What is the formal charge for Xenon

• -1
• +1
• 0
• +2

Tags

NGSS.HS-PS1-1

What is the formal charge for Selenium

• +1
• -1
• 0
• -2

Tags

NGSS.HS-PS1-1

The bond angle for a trigonal planar molecule is 

• 90 Degrees
• 109.5 Degrees
• 120 Degrees
• 180 Degrees

What is the molecular shape of CH₃Cl?

• trigonal pyramidal
• trigonal bipyramidal
• tetrahedral
• not enough information

Which of the following Lewis diagrams best represents the bonding in the  N₂O  molecule, considering formal charges?

• 
• 
• 
• 

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

• 0

• -1

• +1

• -3

What is Ca₃N₂ called?

• calcium nitride

• calcium (II) nitride

• calcium nitrogen

• tricalcium dinitride