The Atomic Radius of Germanium (Z = 32) Is Smaller

question 53

Multiple Choice

The atomic radius of germanium (Z = 32) is smaller than the atomic radius of potassium (Z = 19) because of ________

• A) a change in the n quantum number.
• B) an increase in the effective nuclear charge.
• C) the fact that p and d orbitals have the same orbital penetration.
• D) a decrease in the effective nuclear charge.
• E) germanium having 32 rather than 19 electrons.

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