11 Nov 2021
Problem 79
Page 338
Section: Challenge Problems
Chapter 8: Periodic Properties of the Elements
Textbook ExpertVerified Tutor
11 Nov 2021
Given information
An explanation corresponding to the second electron affinity of oxygen and sulfur being positive despite the fact that adding two electrons to oxygen or sulfur forms an ion with noble gas configuration.
Step-by-step explanation
Step 1.
The electron affinity can be defined as the energy released during the addition of an electron to the neutral gaseous atom. Since the energy is released so it is always with negative sign.
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