What common characteristic is generally shared by the elements at the center of a period?
a. they are nonmetals.
b. they have the lowest atomic mass.
c. they are the least reactive elements.
d. they have the most orbitals.

C. they are the least reactive elements.

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.