MasteryExams
General Science • PhysicsMedium

What is the term for the minimum energy required to completely remove an electron from the surface of a metal?

A. Ionization energy
B. Work function✓ Correct Answer
C. Binding energy
D. Activation energy

💡 Solution & Explanation

The work function represents the minimum threshold energy required to liberate an electron from the surface of a metal via the photoelectric effect. Ionization energy typically refers to removing an electron from an isolated gaseous atom.

🚩 Report a problem