Screening by Core Electrons in Atoms Is

question 27

Multiple Choice

Screening by core electrons in atoms is .

• A) essentially identical to that by valence electrons
• B) less efficient than that by valence electrons
• C) more efficient than that by valence electrons
• D) responsible for a general decrease in atomic radius going down a group
• E) both essentially identical to that by valence electrons and responsible for a general decrease in atomic radius going down a group