Chemistry 128-Honors General Chemistry Fall 2017 Challenge Problems-Chapter 6 6.

Question

Chemistry 128-Honors General Chemistry Fall 2017 Challenge Problems-Chapter 6 6.1 Assume that we are in another universe with different physical laws. Electrons in this universe are described by four quantum numbers with meanings s to those we use. We will call these quantum numbers p. q, t, and s. The rules for these quantum numbers are as follows: q takes on positive odd integer values and q s p. r takes on all even integer values from -q to +q. (Zero is considered an even number.) a. Sketch what the first four periods of the periodic table will look like in this b. What are the atomic numbers of the first four elements that you would expect to c. Give and example, using elements in the first four rows, of ionic compounds d. What are the possible values of q and r for p-5? universe. with the formulas XY, XY,X,Y, XY, and XY

Explanation / Answer

1)

1st period:

p =1 ; q= 1 ; r= 0, s = +/- 1/2

2nd period

p=2 ;q= 1 ; r= 0, s = +/- 1/2

3rd period

p=3; q= 1,3 ; r = -2, 0, 2, s = +/- 1/2

4th period

p=4; q= 1,3 ; r = -2, 0, 2, s = +/- 1/2

So the first four period will look like

[1]    [2]

[3]   [4]

[5] [6] [7] [8] [9] [10] [11] [12]

[13] [14] [15] [16] [17] [18] [19] [20]

b) the atomic number of first four elements that would expect to be least reactive will be placed at the end of each period : [2] [4] [12] [20]

c) XY: [1][11]

XY2: [18][1]

d)
for p=5

q = q =1,3,5

r = -4,-2,0,2,4

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