Covalent Bonding Review Quiz

In an covalent bond, the electrons are what?

• Transferred permanently from one atom to another

• Shared constantly between both atoms

Covalent bonds are made between what kinds of elements?

• only metals

• only nonmetals

• metals and nonmetals

• shared electrons

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left

The bond between N & H.   Ionic or covalent?

• Ionic
• Covalent

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

When making the Lewis structure for He, how many valence electrons should we draw?

• 2

• 3

• 1

• 8

How many total valence electrons would the Lewis structure for a molecule with one carbon atom, two oxygen atoms, and a neutral charge have?

• 4

• 6

• 12

• 16

How many total valence electrons would the Lewis structure for a compound with one oxygen atom, one hydrogen atom, and a -1 charge have?

• 1

• 6

• 7

• 8

How many valence electrons should be used in the Lewis structure of a molecule with two oxygen atoms?

• 6

• 12

• 10

• 8

 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