chem: Clarify that basic concepts have effects
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@ -703,6 +703,8 @@ Down a period, the number of shells occupied by the electrons increases, so vale
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- the attraction of valence electrons to the nucleus decreases due to the increasing distance
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- the attraction of valence electrons to the nucleus decreases due to the increasing distance
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- shielding increases due to the increasing number of electrons between the valence electrons and the nucleus
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- shielding increases due to the increasing number of electrons between the valence electrons and the nucleus
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The impacts of these basic concepts on the above periodic trends is left as an exercise to the reader.
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!!! example
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!!! example
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To explain why there is a trend of decreasing atomic radius across a period:
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To explain why there is a trend of decreasing atomic radius across a period:
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