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As you go across the periodic table, do atoms get bigger or smaller? Why?

As you go across the periodic table, do atoms get bigger or smaller? Why?
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As you go across the periodic table, do atoms get bigger or smaller? Why?

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User Cwahls
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1 Answer

6 votes
smaller - more valence electrons as you go across the period, so more electrons are being pulled closer towards the nucleus
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User Johnny Graber
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