VSEPR 2nd Chance Quiz

 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

How many lone pairs of electrons are on the P atom in PF3?

• 1
• 2
• 3
• 0

Tags

NGSS.HS-PS1-1

Which of the following shapes has unshared pairs of electrons on the central atom?

• Bipyramidal

• Bent

• Trigonal Planar

• Tetrahedral

Which molecule would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

Which molecule could this be?

• BF₃

• CH₄

• H₂O

• CO₂

Which could this molecule be?

• CH₄

• CO₂

• PCl₅

• BF₃

According to VSEPR, molecules adjust their shapes to minimize the repulsive forces of which of the following?

• Pairs of valence shell electrons

• Protons

• Neutrons

• Electrons closest to the nucleus

4 bonded pairs of valence electrons and 0 non-bonded pairs of electrons

• linear

• trigonal planar

• bent

• tetrahedral

How many lone pairs are in this molecule's structure?

• 6
• 2
• 0
• 4

What is the chemical formula for Phosphorus Pentachloride?

• PCl
• PCl₃
• PCl₅
• P₅Cl