1) A glass rod stroked with silk becomes positively charged because
a) the silk removes electrons from the rod
b) the rod removes electrons from the silk
c) friction creates a positive charge
d) the silk gains protons
e) the silk loses electrons

2) Materials in which the outer electrons are bounded tightly to the nucleus and not free to roam in the material are classified as __________?

Question

1) A glass rod stroked with silk becomes positively charged because 
a) the silk removes electrons from the rod
b) the rod removes electrons from the silk
c) friction creates a positive charge
d) the silk gains protons
e) the silk loses electrons

2) Materials in which the outer electrons are bounded tightly to the nucleus and not free to roam in the material are classified as __________?