B1 A typical electron in a piece of metallic sodium has energy -Eg compared to a free electron, where Eŋ is the 2.7 eVwork function of sodium.Part AAl whal distance beyond the surface of the melal is the electron's probabilily density 25% of its value at lhe surface?Express your answer to two significant figures and include the appropriate units.d =ValueUnitsSubmitRequest AnswerPart BHow does this distance compare to the size of an atom?O da 10rNaO ds PNaSubmitPrevious Answersv CorrectProvide Feedback

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A typical electron in a piece of metallic sodium has energy -Eg compared to a free electron, where Eg is the 2.7 eV work function of sodium Part A Al whal dislance beyond the surlace of the melal is the electron's probabilily density 25% of its value al the surface? Express your answer to two significant figures and include the appropriate units. d= Value Units Submit Request Answer • Part B How does this distance compare to the size of an afom? O dz 10ra ds TNa o d a Submit Previous Answers v Correct Provide Feedback

A typical electron in a piece of metallic sodium has energy -Eg compared to a free electron, where Eg is the 2.7 eV work function of sodium Part A Al whal dislance beyond the surlace of the melal is the electron's probabilily density 25% of its value al the surface? Express your answer to two significant figures and include the appropriate units. d= Value Units Submit Request Answer • Part B How does this distance compare to the size of an afom? O dz 10ra ds TNa o d a Submit Previous Answers v Correct Provide Feedback