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28 Oct 2021

Given information

The given elements are and to find out which one is more negative.

Step-by-step explanation

Step 1.

Electron affinity is defined as the change in energy of a neutral atom in a gaseous phase to form a negative ion when an electron is added to the atom. Electron affinities generally become more negative from left to right across a period and when we go down a group, electron affinity should become more positive.

 

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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