Question

What kind of materials can become electrically charged when they are rubbed together?

Answer 1

Negatively charged particles called electrons move from one material to the other. But i am not sure what kind of material 

Answer 2

When insulating materials rub against each other, they may become electrically charged . Electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. The material that gains electrons becomes negatively charged.

Step-by-step explanation:

`hope \: it \: helps \: you \:`