chem?

Question 1

reduction half-reaction

Answer 1

displays an ion/atom gaining one or more electrons while its oxidation number decreases
ex. fe +3 –> fe

Question 2

oxidation half reaction

Answer 2

displays an ion/atom losing one or more electrons while the oxidation number increases

Question 3

anode

Answer 3

electrode where oxidation occurs

Question 4

cathode

Answer 4

electrode where reduction occurs