Quiz on Conductors and Insulators
1. List the three basic particles of an atom and state the charge of each (positive, negative, or neutral).
Element Charge
. . . . .
________ ________
________ ________
________ ________
2. Materials that permit many electrons to move freely are called ________.
3. Which of the following materials are good conductors?
a. copper………… e. aluminum………
b. plastic..,……… f. glass………………
c. silver………….. g. iron……………….
d.rubber………… h. mica……………..
4. Materials that allow few free electrons are called ________.