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What do you think happens to the atomic radius size of a cation and why? an anion and why?

Sagot :

Question:

What do you think happens to atomic radius size of a cation and why? an anion and why?

Answer:

A cation has a smaller radius than its neutral atom because it loses valence electrons. The “new” valence shell is held closer to the nucleus, resulting in a smaller radius for the cation. An anion has a larger radius than the neutral atom because it gains valence electrons.

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