An approximate orbital model for the ground state of Heuses the 1s atomic orbitals for Het, for which Z = 2.Which of the following statements describes correctlythe situation that pertains to a change to a moreappropriate value?O The improved Z value is larger than 2, and the orbitalsbecome more contracted.The improved Z value is smaller than 2 but this onlyaffects the computed energy, and not orbital size.O The improved Z value is smaller than 2, and the orbitalsbecome more contracted.O The improved Z value is larger than 2, and the orbitalsbecome more expanded.The improved Z value is smaller than 2, and the orbitalsbecome more expanded.

The more electrons there are, the closer they are to the nucleus due to the stronger interactions…

An approximate orbital model for the ground state of He uses the 1s atomic orbitals for Het, for which Z = 2. Which of the following statements describes correctly the situation that pertains to a change to a more appropriate value?

An approximate orbital model for the ground state of He uses the 1s atomic orbitals for Het, for which Z = 2. Which of the following statements describes correctly the situation that pertains to a change to a more appropriate value?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

An approximate orbital model for the ground state of He
uses the 1s atomic orbitals for Het, for which Z = 2.
Which of the following statements describes correctly
the situation that pertains to a change to a more
appropriate value?
O The improved Z value is larger than 2, and the orbitals
become more contracted.
The improved Z value is smaller than 2 but this only
affects the computed energy, and not orbital size.
O The improved Z value is smaller than 2, and the orbitals
become more contracted.
O The improved Z value is larger than 2, and the orbitals
become more expanded.
The improved Z value is smaller than 2, and the orbitals
become more expanded.

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