Chemical Bonding

Naming

100

Name the following compound:

Fe(NO₃)₃

iron (III) nitrate

200

Write the correct formula for the ionic compound 

lead (IV) nitrate

Pb(NO₃)₄

300

Name the following molecule

N₂Cl₇

dinitrogen heptachloride

400

Write the correct chemical formula for the ionic compound

calcium carbonate

CaCO₃

500

S₂F₅

disulfur heptafluoride

Lewis Structures & Resonance

100

What kind of bond would have the longest bond length?

single bonds are the longest

200

Draw a proper lewis structure for a molecule of BF₃.

B is the central atom with one single bond to the three F atoms and no lone pairs on B.  Each F atom will have 3 lone pairs of electrons around it totaling 24 electrons.

300

Draw a proper lewis structure for KrF₄.

Kr is the central atom, single bonded to 4 F atoms, each having 3 long pairs of electrons around them, & Kr will also contain 2 lone pairs of electrons totaling 36 electrons in the lewis structure

400

Draw all possible resonance structures for NO₃^-.

N is the central atom, with a single bond to two oxygens and a double bond to one oxygen, for a total of 24 electrons.

500

Draw all possible resonance structures for PO₄^3-

P is the central atom with 3 single bonds to oxygen and one double bond to oxygen (5 bonds total- expanded octet) for a total of 32 valence electrons

Polarity

100

Which of these molecules does NOT contain a polar bond?

a. H₂O

b. NH₃

c. O₂

c. O₂​​​​

200

Which of the intermolecular forces, hydrogen bonding, dispersion, or dipole-dipole, is the stronget?

hydrogen bonding

300

In which compound do the atoms have the greatest difference in electronegativity?

a. AlCl₃

b. KF

c. NaBr

d. LiI

KF

400

Can a molecule that is polar contain non-polar bonds?  Can a molecule that is non-polar contain polar bonds?

Yes & yes!

500

Which molecule is non-polar overall due to a symmetric distribution of charge, but contains polar bonds?

a. H₂O

b. CF₂

c. HF

d. NF₃

b. CF₂

Vocabulary

100

This is the name for a positively charged ion

cation

200

This is the electrostatic force that holds oppositely charged particles together in a chemical bond

ionic bond

300

This is the condition where more than one valid lewis structure could be drawn for a molecule 

resonance

400

This is the attraction of metal cations to delocalized electrons

metallic bonding

500

Ions made up of more than one type of atom

polyatomic ions

Ionic, Covalent, & Metallic Bonds

100

Which of the following compounds is ionic?

a. CCl₄

b. CaCl₂

c. NH₃

d. XeF₄

b. CaCl₂

200

Which type of elements are likely to form covalent bonds? (metals, nonmetals, both?)

nonmetals 

300

Which compound contains both ionic and covalent bonds?

a. MgCl₂

b. HNO₂

c. K₂SO₄

d. H₂O

c. K₂SO₄

400

What is the difference between the conductivity of metals vs. the conductivity of ionic compounds?

metals can conduct electricity in the solid and the liquid state, while ionic compounds can only conduct electricity when dissolved in water or when in the liquid state, not in the solid state

500

The larger the electronegativity difference between two atoms in a bond, the more _________ the bond is. (ionic, covalent, metallic)

ionic