How do the number and kind of atoms in the reactants compare to the number and kind of atoms in the products

the number and kind of each atom on the reactants side must be equal to number and kind of each atom on products side.

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: