the smallest unit of and element, having all the characteristics of that element and consisting of dense, central, positively charged nucleus surrounded by a field of negatively charged electrons.
What is an atom?
100
dihydrogenmonoxide
What is water?
100
the part of an electrical device where the electrons enter, the negative terminal of an electrolytic device.
What is an anode?
200
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
What is an electron?
200
the substance that dissolves another to form a solution.
What is a solvent?
200
an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons.
What is an ion?
200
the chemical formula for water.
What is H2O
200
the part of an electrical device where the electrons leave. the positive terminal of an electrolytic device.
What is a cathode?
300
a device with two electrodes in contact with an electrolyte that brings about a chemical reaction when connected to an outside source of electricity.
What is an electrolysis cell?
300
a substance dissolved in another substance, usually the component of a solution present in the lesser amount.
What is a solute?
300
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge in magnitude to that of an electron, but of opposite sign.
What is a proton?
300
is the gas generated at the cathode in an electrolysis reaction.
What is hydrogen?
300
a symbolic expression of the chemical composition of a substance.
What is a formula?
400
the passage of current through an electrolyte with subsequent migration of positively or negatively charged ions to the negative and positive electrodes.
What is electrolysis?
400
an act or the process by which a solid, liquid, or gaseous substance is homogeneously mixed with a liquid or sometimes a gas or a solid.
What is a solution?
400
a subatomic particle of about the same mass as a proton but without an electrical charge.
What is a neutron?
400
is the gas generated at the anode during an electrolysis reaction.
What is oxygen?
400
a chemical change or transformation in which a substance decomposes or combines with other substances.
What is a reaction?
500
the derived SI unit of electrical potential difference between two points on a conductor carrying a current of one ampere, when the power dissipated between these points is 1 watt.
What is a volt?
500
_________ was the solvent used in our electrolysis experiment.
What is water?
500
one millionth of a meter.
What is micro?
500
reduction reaction occurs at the _____ and the oxidation reaction occurs at the _____.