Which of the following metals has the lowest work function?
A) Be
B) Sr
C) Li
D) Rb

Name: Which of the following metals has the lowest work function? A) Be B) Sr C) Li D) Rb
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Question

Quizplus · Accepted Answer

Rb (Rubidium) has the lowest work function among the options given. Work function is the minimum energy needed to remove an electron from the surface of a metal. In general, alkali metals like Rb have lower work functions due to their single valence electron, which is loosely bound compared to elements in other groups.

Which of the Following Metals Has the Lowest Work Function