5. What are the possible orbitals for n 3? (a) s, p, d, f (b) s, p, d (c) s, p (

Question

5. What are the possible orbitals for n 3? (a) s, p, d, f (b) s, p, d (c) s, p (d) s What value of I is represented by a d orbital? (a) 0 6. (b) 1 (c) 2 (d) 3 7. Which of the following quantum numbers describes the orientation of an orbital? (a) principal quantum number (c) magnetic quantum number (b) angular momentum quantum number (d) spin quantum number 8. How many different values of m. are possible in the 4f sublevel? 9. What is the ground state electronic configuration of Te? 10. What are all the possible sub-shells for principal quantum number n-4? 11. What set of quantum numbers is allowed? (a) 3 (b) 5 (c) 7 (a) [Krj5s 5d (b) [Kr]4s 5d ()lKr]5s'4d (d) [Kr]5s (e) [Kr]4d (a) s. p, d (b) s. p, d, f (c) s, p, d, f. g (d)s, p (e) d, f, g (a) n = 1,1 = 2, m i = 3, ms =+1/2 (c) n 5, l = 0, m l=1,ms = +1/2 (e) n = 2, l = 4, m 1 = 6, ms =-1/2 (b) n=2, I = 2, m l =0, m, =-1/2 (d) n=4,1-3, m l =-3, ms =-1/2

Explanation / Answer

5)

for given n, l can take all values from 0 to n-1

so, l can be 0,1,2

l=0 is s

l=1 is p

l=2 is d

Answer: b

6)

l=0 is s

l=1 is p

l=2 is d

l=3 is f

Answer: c

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