5. Consider the following set of quantum numbers. For each set indicate if the s

Question

5. Consider the following set of quantum numbers. For each set indicate if the set is possible. If the quantum numbers are not possible, explain why. (a) n=1, I=1, m1= 0, ms= +(1/2) (b) n = 3, I = 1,m1 = -2, ms = -(1/2) (c)n = 2, I = 1, m1 = 0, ms = +(1/2) (d) n = 2, I = 0, m1 = 0, ms = 1 6. Calculate the attractive force between a pair of K+ and Br- ions that just touch each other. Assume the ionic radius of K+ is 0133nm and that of Br- to be 0196nm. 7. Define the three primary bond types and provide an example of a material for each 8. Find two examples of nanomaterials on the internet and provide a brief description of each 9. Find two examples of M.E.M.S. and provide a brief description of each.

Explanation / Answer

There are multiple question here. We are allowed to answer only 1 question at a time.I am answering 1st 2 for you

5.
a :Not possible
for n=1 ,l can be only 0

b.not possible
for l=1 ml can be only -1,0,1

c. possible

d. not possible
ml can be only 1/2 or -1/2

6)
Chrge on each is 1.6*10^-19 C
R = 0.133+0.196 = 0.329 nm = 3.29*10^-10 m

F= k*Q1*Q2/R^2
= (9*10^9)*(1.6*10^-19)*(1.6*10^-19) / (3.29*10^-10)^2
   = 2.13*10^-9 N

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