Effective Nuclear Charge Video Lessons

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Problem: Screening by the valence electrons in atom is ______. a) responsible for a general increase in atomic radius going across a period. b) less efficient than that by core electrons c) essentially identical to that by core electrons d) more efficient than that by core electrons  e) both more efficient than that by core electrons  and responsible for a general increase in atomic radius going across a period

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Screening by the valence electrons in atom is ______.

a) responsible for a general increase in atomic radius going across a period.

b) less efficient than that by core electrons

c) essentially identical to that by core electrons

d) more efficient than that by core electrons 

e) both more efficient than that by core electrons  and responsible for a general increase in atomic radius going across a period

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Based on our data, we think this problem is relevant for Professor Greenberger's class at PSU.