VSEPR

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.HS-PS1-2

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.MS-PS1-1

Will this molecule be polar or nonpolar? A molecule is polar when it has a lone pair of electrons, or when the atoms stemming from the central atom are shared unequally. PH₃

• polar

• nonpolar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

 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

Will this molecule be polar or nonpolar? CS₂

• polar
• nonpolar

By looking at the chart, determine the electron geometry (eg) and molecular geometry (mg) of XeF4 (Lewis structure is shown) .

• eg = tetrahedral, mg = tetrahedral

• eg = linear, mg = linear

• eg = octahedral, mg = square planar

• eg = trigonal bipyramidal, mg = tetrahedral

What molecular geometry is the structure shown here? (H₂O)

• tetrahedral

• trigonal planar

• bent

• trigonal pyramidal

Tags

NGSS.HS-PS2-6

Which molecule would have this molecular geometry?

• BF₃
• CH₄
• PCl₅
• CO₂

Tags

NGSS.MS-PS1-1

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

• linear

• trigonal planar

• tetrahedral

• trigonal pyramidal