Question

1.Which of the following is not a valid set of quantum numbers?

	n = 1, l = 0, ml = 0, ms = +1/2
	n = 3, l = 1, ml = -1, ms = -1/2
	n = 9, l = 4, ml = -3, ms = +1/2
	n = 6, l = 5, ml = 4, ms = -1/2
	n = 3, l = 3, ml = -2, ms = +1/2

2. Type the chemical symbol for the ION with a +2 charge whose ground state electron configuration has eight electrons in the 3d orbital.

3.All of the orbitals in a given subshell have the same value of the __________ quantum number.

	a. principal
	b. azimuthal (angular momentum)
c.	magnetic
d.	principal and azimuthal (angular momentum)
e.	azimuthal (angular momentum) and magnetic

4. Calculate the frequency of light, in Hz, that has a wavelength of (1.93x10^3) cm.

5. What is the maximum number of electrons that can occupy the orbitals represented by n = 5, l = 1?

Answer 1

1.Which of the following is not a valid set of quantum numbers?

n = 1, l = 0, ml = 0, ms = +1/2 ---> VALID

n = 3, l = 1, ml = -1, ms = -1/2 ---> VALID

n = 9, l = 4, ml = -3, ms = +1/2 ---> n is too high, theoretically valid, not in real life

n = 6, l = 5, ml = 4, ms = -1/2 ---> valid

n = 3, l = 3, ml = -2, ms = +1/2 ----> not valid, since l = n and l = n-1 max

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