Last modified: Sun 01/17/2016 06:58:53 pm BCE

Oklahoma State University

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Answer all of the questions below. If you do not know an answer enter CNA. However, it will help me the most if you answer each question with your best intuition/idea about what would be a reasonable answer.


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1. One of the types of chemical bonds we have discussed in class is called ionic bonding, what is the other type of chemical bond called?

2. What is the definition of an ionic bond?

3. Which of the following are compounds that contain ionic bonding?

a) AlCl3(s)

b) HCl(g)

c) CO2(g)

d) Fe(NO3)3(s)

Indicate the letter for each compound you feel contains ionic bonding.

2. The strength of an ionic bond is determined by the energy for the following chemical equation;

MX(s) ----> M+(g) + X -(g)

(NOTE: The energy for the above general reaction is called the lattice energy and is always endothermic.)

Here is a table of ionic compounds and their lattice energy

Compound

Lattice energy (kJ mol-1)

NaF

923

NaCl

787

NaBr

747

NaI

704

a) Describe the trend in lattice energy for this set of compounds?

b) What is different about each compound?

c) How would you explain the trend in lattice energies for this particular set of compounds?

4. Write the electron configuration for the Na+ ion.

5. Write the electron configuration for the F - ion.

6) Which ion is larger, Na + ion or F - ion?


Explain your reasoning.

4. Is there anything about the questions that you feel you do not understand? List your concerns/questions.

5. If there is one question you would like to have answered in lecture, what would that question be?