Polar and Nonpolar Molecules

Multiple Choice

A covalent bond is a chemical bond where two atoms share__________.

• protons

• neutrons

• valence electrons

• the same group on the periodic table

Multiple Choice

A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.

• nonpolar molecule

• polar molecule

• ionic compound

• metalic compound

Multiple Choice

Use your knowledge to predict what the following compound is classified as.

• non-polar covalent

• polar covalent

• ionic

• metallic

Multiple Choice

In this Lewis structure, the symbol above F means...

• electrons are being transferred to Fluorine
• electrons are less attracted to F than H
• electrons are more attracted to F than H
• Fluorine has formed a cation

Multiple Choice

CO is a _____ molecule.

• polar

• non-polar

Multiple Choice

CO₂ is a _____ molecule.

• polar

• non-polar

Multiple Choice

BF₃ is a ______ molecule

• polar

• non-polar

Multiple Choice

SO₃ is a ____ molecule.

• polar

• non-polar

Multiple Choice

What is the measure of the tendency of an atom to attract bonding electrons called?

• ionization energy

• electron charisma

• dipole momentum

• electronegativity

Multiple Choice

A molecule made up entirely of the same element will have an electron distribution that is ___

• completely symmetrical

• asymmetrical

• decreasing from left to right

• polar

Multiple Choice

Polarity taken to the extreme, where the electrons have completely transferred, creates ___

• radioactive isotopes

• an ultrapolar molecule

• two charged ions

• a molecular compound

Multiple Choice

The oxygen sides of water are always doing their best to orient themselves toward ___

• magnetic north

• the hydrogen sides of other molecules

• negative ions

• the surface of a liquid