Question

Uale Answer all the questions. Show all calculations in the space provided for full credit. No credit will be given for answers only. Select the single correct response for questions 1-30 (2 points each). 1. Which figure below illustrates ans atomic orbital? (1) 1 (2) 2 (3) 3 (4) 4 2. Which, if any, is the ground-state electron configuration for Fe ? (2) [Ar]3d8 or 1s22s22p63s23p63d8 (3) [Ar]3d or 1s22s 2p 3s 3p 3dº (1) [Ar]3d? or 1s 2s22p8382330 (4) [Ar]3d or 1s22s2p 3s 3p3d 3. Which one of the following sets of quantum numbers is not possible? n mm 1. 4 3 -2 +² 2. 3 2 -3 / 3. 3 0 0 +2 4. 4 1 1 / (1) 4 (2) 3 (3) 2 (4) 1 2 4. Which one of the following sets of quantum numbers represents an electron with the highest energy (1) n = 2, ( = 1, m = 0, ms = 12 (2) n = 3, { = 2, m = 0, m = - (3) n = 4, C = 0, m = 0, me = (4) n = 2, k = 1, m, = 1, m, = -2 5. What is the maximum number of electrons in an atom that can have the following quantum numbe and l = 0? (1) 10 (2) 6 (3) 3 (4) 2

Answer 1

's' onbikal is sphenical in shape. option (2) Is2 2s 2p3s 3p ys 3d Fe26 Optien (4 Is 2s 2p3s 3p 3d Fe 2 + 26 Set numben- 2 n3 O to (n-1) Pessible values = to (3-1) = O 1o 2 -0,1,2 forn a given value of , possible valu es of mi - to 0 to + FOrn 2, =-2, -1, 0, +1, + 2 The given volue of m is -3 which is Wng optien (3). An election with highest principle aruaniam numben (n) value passess highest enengy (because n=4) option (3)