Formal Charge and VSEPR

According to VSEPR model, electron groups around the central atom of a molecule repel each other. Which of the following is an example of an electron group in a VSEPR model?

• a. bonding pairs

• b. electrons in lower shells

• c. all electrons in the outer shell

• d. lone pairs in the attached atoms

Applying the concept of VSEPR model, what is the molecular geometry of PH3?

• a. linear

• b. see-saw

• c. trigonal planar

• d. trigonal pyramidal

In the Lewis structure of CO2, what is the formal charge of carbon?

• 0

• 1

• 2

• 3

VSEPR stands for?

• Valence Structure Electron Pair Repulsion

• Valence Shell Electron Pair Repulsion

• Valence Shell Electron Pair Repetition

• Valence Shell Electron Potential Repulsion

What molecular geometry does a molecule have if it has three bonding pairs and one lone pair of electrons?

• Linear

• Trigonal planar

• Tetrahedral

• Trigonal pyramidal

VSEPR theory is to

• determine the number of bonding and lone pairs electrons

• determine the number of ECC

• determine the shape and geometry of molecule

• determine the lewis structure of molecule

What geometry will this molecule have?

• trigonal planar

• tetrahedral

• pyramidal

• bent

Choose the correct shape for this molecule:

• Trigonal planar

• Trigonal pyramidal

• Tetrahedral

• Linear

Tags

NGSS.HS-PS1-3

What molecular shape is the structure shown here? (BCl₃)

• linear

• trigonal planar

• tetrahedral

• trigonal pyramidal

What geometry will this molecule have?

• pyramidal

• tetrahedral

• trigonal planar

• bent