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Explain why the 2p energy level of Li is at a higher energy than the 2s level in Li. Why is the configuration 1s22s¹ at lower energy than 1s22p¹?

Explain why the 2p energy level of Li is at a higher energy than the 2s level in Li. Why is the configuration 1s22s¹ at lower energy than 1s22p¹?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter7: Electronic Structure
Section: Chapter Questions
Problem 7.76QE
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Explain why the 2p energy level of Li is at a higher energy than the 2s level in Li. Why is the configuration 1s22s¹ at lower energy than 1s22p¹?
Transcribed Image Text:Explain why the 2p energy level of Li is at a higher energy than the 2s level in Li. Why is the configuration 1s22s¹ at lower energy than 1s22p¹?
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