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Chemistry / Chemistry 12 / Chapter 2 / Problem 2.117

Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby

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Answer: Estimate the relative sizes of the following

Chapter 2, Problem 2.117

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QUESTION:

Estimate the relative sizes of the following species: Li, Li1, Li2

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QUESTION:

Estimate the relative sizes of the following species: Li, Li1, Li2

ANSWER:

Step 1 of 2

When comparing the relative sizes of different forms of the same element and electron cloud is the same for all the species.

The area around a nucleus, which holds the positive charge, is filled by electrons. The larger the atom or ion, the more electrons there are. The electrons repel each other for a variety of reasons, one of which is that they all have a negative charge. Furthermore, because there are more electrons sharing the same amount of positive charge at the nucleus, the electrons are not drawn in as close to the centre.

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