Chapter Review: Chapter 7

The valence atomic orbitals of two atoms interact through side-by-side overlap when forming a pi bond.

• They overlap end-to-end

• They overlap side-to-side

• They do not overlap at all

• They interact via random orientation

Which covalent molecule has the weakest bond?

• A.

• B.

• C.

• D.

• They are all equally strong

How many single covalent bonds can noble gases typically form?

• 1

• 2

• 0

• 3

How many sigma bonds are there in a double covalent bond?

• 1

• 2

• 3

• 4

A methane molecule consists of one carbon atom and four hydrogen atoms. How many lone pairs of electrons are present in a methane molecule?

• 0

• 1

• 2

• 3

Determine whether the nitrogen atom has a complete octet of electrons and determine the number of lone pairs of electrons. Choose the correct answer.

• Has a complete octet and one lone pair

• Has a complete octet and two lone pairs

• Does not have a complete octet and one lone pair

• Does not have a complete octet and two lone pairs

Name the following molecular compounds:

Which is the correct formula for the compound nitrogen dioxide?

• NO₂

• N₂O

• NO₃

• N₂O₃

Which is the correct name for the solution H2SO3(aq)?

• Sulfurous acid

• Hydrosulfuric acid

• Sulfuric acid

• Persulfuric acid

It is necessary to use prefixes in naming binary molecular compounds because they indicate the number of each element present.

• They indicate the number of each element present

• They add aesthetic appeal

• They follow tradition without purpose

• They are used arbitrarily