Molecular Shapes (VSEPR) and Polarity

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

Determine the molecular shape of carbon tetrafluoride.

• linear
• trigonal planar
• bent
• tetrahedral

What is the molecular shape of a silicon dioxide molecule?

• linear
• trigonal planar
• bent
• tetrahedral

What shape would PH₃ have?

• Trigonal Planar

• Trigonal pyramidal

• Bent

• Linear

 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

One central atom has two atoms bonded to it, plus two lone pairs. Its VSEPR shape will be...

• linear

• bent

• trigonal planar

• tetrahedral

One central atom has two atoms bonded to it, and no lone electron pairs. Its VSEPR shape will be...

• linear

• bent

• trigonal planar

• tetrahedral

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

Tags

NGSS.MS-PS1-1

How many electrons are represented by a single straight line in a Lewis structure?

• 1
• 2
• 4
• 6

Does the following reference Polar, Nonpolar, or both:

"unequal sharing of electrons"?

• Polar

• Nonpolar

• Both