CHM 261, QUIZ 9 PDF

Preview

Summary

Fall'18 quiz 9 questions and answers...

Description

Name: __________________________ Date: _____________ 1. The shape of an atomic orbital is associated with A) the principal quantum number (n). B) the angular momentum quantum number (l). C) the magnetic quantum number (ml). D) the spin quantum number (ms). E) the magnetic and spin quantum numbers, together. 2. The energy of an electron in the hydrogen atom is determined by A) the principal quantum number (n) only. B) the angular momentum quantum number (l ) only. C) the principal and angular momentum quantum numbers (n & l ). D) the principal and magnetic quantum numbers (n & ml). E) the principal, angular momentum and magnetic quantum numbers. 3. Which one of the following sets of quantum numbers can correctly represent a 3p orbital? A) n = 3 l=1 ml = 2 B) n = 1 l=3 ml = 3 C) n = 3 l=2 ml = 1 D) n = 3 l=1 ml = –1 E) n = 3 l=0 ml = 1 4. Which of the following is a correct set of quantum numbers for an electron in a 5f orbital? A) n = 5, l = 3, ml = +1 B) n = 5, l = 2, ml = +3 C) n = 4, l = 3, ml = 0 D) n = 4, l = 2, ml = +1 E) n = 5, l = 4, ml = 3 5. The electronic structure 1s22s22p63s23p64s23d8 refers to the ground state of A) Kr. B) Ni. C) Fe. D) Pd. E) none of the above.

Page 1

6. Select the correct electron configuration for Cu (Z = 29). A) [Ar]4s23d9 B) [Ar]4s13d10 C) [Ar]4s24p63d3 D) [Ar]4s24d9 E) [Ar]5s24d9 7. Select the correct set of quantum numbers (n, l, ml, ms) for the highest energy electron in the ground state of tin, Sn. A) 5, 2, –1, 1 2 B) 5, 2, 0, 1 2 C) 5, 1, 2, 1 2 D) 5, 1, 0, 1 2 E) 5, 2, 1, 1 2 8. Which of the following elements has the smallest atomic radius? A) Li B) Ne C) Rb D) Sr E) Xe

Page 2

Answer Key 1. 2. 3. 4. 5. 6. 7. 8.

B A D A B B D B

Page 3...