concept 4 vocab Flashcards
1
Q
insulator
A
a material of such low conductivity that the flow of current through it is negligible.
2
Q
conductor
A
a substance, body, or device that readily conducts heat, electricity, sound, etc.
3
Q
Atom
A
The smallest unit of a chemical element.
4
Q
Electron
A
stable subatomic particle with a negative electric charge that is oppisite to that of a porton but is equal in magnitude