Chemical Bonding

18. Which of the following compounds would be identified as covalent? Check all that apply

• CO₂

• NaCl

• CaCl

• H₂O

• FBr

Which of the following is true for ionic bonding & ionic compounds?

• They must be made of ions with like charges.

• The negative ion must be written first.

• Compounds must have an overall charge of zero.

• They are made of metals and nonmetals.

• The positive ion must be written first.

2. Which type of bond has a transfer of an electron from on atom to another?

• Polar Covalent

• Non Polar Covalent

• ionic

• metallic

How many single bonds will carbon look to make when it bonds covalently?

• 2

• 3

• 4

• 5

Using the electronegativities provided and the imager to predict what type of bond will be formed by COBALT (1.9 electronegativity) and FLUORINE (4.0 electronegativity).

• ionic

• polar covalent

• non-polar covalent

What type of bond is illustrated above?

• Metallic
• Ionic
• Covalent
• Wiggly

11. How many valence electrons in this structure?

• 2

• 7

• 17

• not enough information to answer

3. Covalent compounds

• Share electrons

• transfer electrons

• contain a sea of electrons

• conduct electricity

13. How many valence electrons do elements in the group 14 contain?

• 3

• 4

• 13

• 14

4. What is the number of valence electrons for Oxygen?

• 8

• 6

• 2

• 1