Lauren

Arrange the members of each of the following pairs in order of increasing radius and explain the order:

A. Te, Te2-
B. Al, Al3-

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  1. Any time you add electrons to a shell, it makes the radius larger because the electrons repel each other. You must add two electrons to a neutral Te atom to obtain Te= and you must add three electrons to neutral Al to obtain Al3-.

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  2. so which is the correct way of increasing radius and what is a Te=

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  3. I don't know that there is "a correct way" of increasing radius. From my discussion can you not see that Te is smaller than Te= and Al is smaller than Al3+?

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