1.
substances that cannot be broken down into simpler substances using ordinary chemical methods
2.
positively charged elementary particles
3.
smallest units of an element
4.
elementary particles with no electrical charge
5.
elementary particles that have a negative charge an orbit the nucleus of an atom in rings or shells
6.
electrons seem to be contained by this invisible force field
7.
outer ring of electrons
8.
valence electron that breaks away from its atom when it gains energy from an outside force
9.
the movement of electrons being directed through materials
10.
substances that contain free electrons and will allow electrical current to flow easily
11.
materials that contain electrons that do not share or move freely
12.
the flow of electrons from atom to atom in a conductor
13.
condition that occurs when there is an imbalance of positively and negatively charged atoms
14.
something produced by moving electrons, and is measured in amperes
15.
type of electricity in which electrons flow in one direction
16.
a situation in which one terminal is negative and the other is positive
17.
electricity that flows first in one direction, stops, reverses, and flows in the opposite direction
18.
the steps necessary in a process
