Question

A glass rod becomes positively charged when rubbed with silk. The silk becomes charged because it (1) loses protons (3) gains protons (2) loses electrons (4) gains electrons

Answer 1

When a glass rod is rubbed with silk, the glass rod becomes positively charged because it loses electrons. The silk, on the other hand, gains those electrons and becomes negatively charged. Therefore, the correct answer is:

(2) loses electrons.