VSEPR

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

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

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

• Bipyramidal
• Bent
• Trigonal Planar
• Tetrahedral

The general form for this shape is ____?

• AX₃

• AX₂E₂

• AX₄

• AX₂

The name of this shape is?

• trigonal planar

• trigonal bipyramidal

• tetrahedral

• bent

The name of this shape (AX₄) is?

• tetrahedral

• square

• trigonal bipyramidal

• linear

This shape is bent it has ____.

• 2 bonded atoms 0 lone pairs

• 4 bonded atoms

• 2 bonded atoms 2 lone pairs

• 3 bonded atoms 1 lone pair

The general form of this molecule is?

• AX₂E₂

• AX₃E

• AX₂

• AX₃

What molecular geometry would PH₃ have?

• Trigonal Pyramidal

• Trigonal Bipyramidal

• Bent

• Linear

Tags

NGSS.MS-PS1-1

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

• 1

• 2

• 3

• 0