Molecular Shapes

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons
• A pair of electrons on the central atom

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner shell electrons
• Mobile Electrons
• Electrons closest to the nucleus

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

Tags

NGSS.HS-PS2-6

What could this model represent ?

• CH₄

• CO₂

• PCl₅

• BF₃

Which molecule below would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

VSEPR stands for ________ theory.

• Valence Structure of Electron Pyramids and Regression
• Varied Structures of Electrons Paired and Replaced
• Varied Shell Energy of Protons and Radiation
• Valence Shell Electron Pair Repulsion

T or F: Lone pairs around the oxygen atom of a water molecule play no role in determining its molecular geometry?

• True
• False

The bond angle for Trigonal planar molecule

• is 120 and 90

• 90

• 120

• 109.5

The bond angle for tetrahedral molecules are

• 
  

  $104\degree$

• $109.5\degree$

• $107\degree$

• $105\degree$

Which molecular shape has two different bond angles in it?

• Tetrahedral

• Pyramidal

• Trigonal Bipyramidal

• Octahedral