Consider the electron configuration 1s22s22p6 3s23p63d84s2. Which of the following statements is TRUE? (A) There are 14 electrons on the third energy level. (B) This atom has 8 valence electrons. (C) There are 3 energy levels in the atom. (D) The next electron to be added will be in sublevel 3d.
Consider the electron configuration 1s22s22p6 3s23p63d84s2. Which of the following statements is TRUE? (A) There are 14 electrons on the third energy level. (B) This atom has 8 valence electrons. (C) There are 3 energy levels in the atom. (D) The next electron to be added will be in sublevel 3d.
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter11: Modern Atomic Theory
Section: Chapter Questions
Problem 12ALQ
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Question
Consider the electron configuration 1s22s22p6
3s23p63d84s2. Which of the following statements is
TRUE?
(A) There are 14 electrons on the third energy level.
(B) This atom has 8 valence electrons.
(C) There are 3 energy levels in the atom.
(D) The next electron to be added will be in sublevel 3d.
Expert Solution
Step 1
The given electronic configuration: 1s22s22p63s23p63d84s2
The true statement about the given configuration has to be identified here.
Total number of electrons =2+2+6+2+6 +8 +2=28 electrons
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