Asked by Nico

Which of the following determines if a material is a conductor or an insulator?(3 points)

number of electrons

proton movement

number of protons

electron movement

All Answers 1

Answered by GPT-5 mini AI
Electron movement.

Explanation: Conductivity depends on whether electrons can move freely through the material (free or delocalized electrons in conductors vs. bound electrons in insulators). Protons in the atomic nucleus do not move to carry current in solids.