Unit 1 : Electrochemistry

Question 1

a branch of chemistry that deals with the relationship between electricity and chemical reactions.

Answer 1

Electrochemistry

Question 2

the flow or movement of electrons in a conductor.

Answer 2

Electricity

Question 3

gains electrons and is reduced in a chemical reaction. Also known as the electron acceptor,

Answer 3

Oxidizing Agent

Question 4

loses electrons and is oxidized in a chemical
reaction. known as the electron donor.

Answer 4

Reducing Agent

Question 5

occurs when a species loses electrons and increases its oxidation number

Answer 5

Oxidation

Question 6

occurs when a species gains electrons and decreases its oxidation
number

Answer 6

Reduction

Question 7

a process by which electric current is passed through a substance to
effect a chemical change.

Answer 7

Electrolysis

Question 8

A cell that is used as a source of electrical energy.

Answer 8

Voltaic Cell or Galvanic Cell

Question 9

a useful notation that describes the components of a cell
expresses a certain reaction in an electrochemical cell

Answer 9

Cell Notation

Question 10

difference between two electrode potentials, one associated with the
cathode and the other associated with the anode.

Answer 10

Cell Potential

Question 11

The process that returns metals to their oxidized state

Answer 11

Corrosion

Question 12

prevents corrosion and wear, produce hardness and conductivity, and
give products an attractive appearance.

Answer 12

Electroplating