1. Consider a KCI compound.

(a) According to Table 2.2 of your book, what is the electron configuration for K and Cl?

(b) What are the electron configurations for K. and Cl?

(c) Based on your answer in (b), which noble gas atoms have the equivalent electronic configurations for each respective ion?

2. Upon examination of a periodic table, what do the elements in Group VIA have in common (in terms of their electron configuration)?

3. Based on the following ionic radii, r_Na⁺ =0.098 nm, ro^2-= 0.132 nm:

(a) What is the coulombic force of attraction between Na⁺ and 0^2-(which forms Nax0)?

(b) What is the repulsive force?

(0) Out of the menu of materials, which material(s) would this compound fall under?

4. (a) Define the 3 primary bonds. (b) Define the secondary bond?

5. Determine the percent ionic character of the interatomic bonds for the following compounds:
a. Zirconium dioxide
b. Cadmium telluride
c. Calcium chloride

6. Create a plot (you may use Excel and insert a trendline, and then print and staple the plot onto your paper) of bonding energy versus melt temperature for the four metals listed in Table 2.3 of your book (make sure to label appropriately, including units). Using this plot, approximate the bonding energy for copper, which has a melting temperature of 1084°C.

7. What kind(s) of bonding would be expected for each of the following materials:

a) brass,

b) polycarbonate,

c) strontium sulfide (SFS),

d) solid krypton (Kr), and

e) aluminum nitride (AIN)?