Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) A p-electron penetrates more than an s-electron through the inner shells of an atom.
B) A p-electron penetrates less than a d-electron through the inner shells of an atom.
C) A p-electron has a nonzero probability density at the nucleus.
D) A d-electron has a nonzero probability density at the nucleus.
E) A p-electron experiences a smaller effective nuclear charge than an s-electron.