Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 6 - Electronic Structure of Atoms - Exercises: 6.65a

Answer

*Similarities: Spherical shape *Differences: - Number of peaks and nodes in the radial probability function - The size of radial extension of electrons.

Work Step by Step

*Similarities: - Both $1s$ and $2s$ orbitals have the spherical shape with the nucleus being its center. Both $1s$ and $2s$ orbitals are spherically symmetry and centered on the nucleus. *Differences: - For the radial probability function: +) Peaks: Orbital $1s$ has 1 peak, while orbital $2s$ has 2 peaks. (The number of peaks is equal with the value of $n$) +) Nodes: Orbital $1s$ doesn't have any nodes, while orbital $2s$ has 1 node. (The number of nodes is $n-1$) - The radial extension of electrons in orbital $2s$ is greater than that in orbital $1s$, which means there is a higher chance of finding an electron further from the nucleus in orbital $2s$ than in orbital $1s$.
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