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Explain, in terms of atomic structure, why the radius of an Na atom is larger than the radius of an Na+ ion.
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Explain, in terms of atomic structure, why the radius of an Na atom is larger than the radius of an Na+ ion.

User Adear
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In a Naatom, there are 11 protons controlling 11 electrons by electrostatic attraction. In Na+ there are 11 protons controlling 10 electrons (you lost one to give Na+), so they can pull them in tighter!!
User Tom Pietrosanti
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