redox reactions

Question 1

one or more ___ change ___

all ___, and ___,

some ____ and ___

always have both ___ and ___

split reaction into oxidation half-reaction and a
reduction half-reaction

aka ___ reactions

half-reactions include ___

Answer 1

elements, oxidation number

single displacement, combustion

synthesis, decomposition

oxidation, reduction

electron transfer

electrons

Question 2

reactant molecule that causes oxidation

contains element reduced

Answer 2

oxidizing agent

Question 3

is reactant molecule that causes reduction

contains the element oxidized

Answer 3

reducing agent

Question 4

oxidation is the process that occurs when

oxidation number of an element ___

element ___ electrons

compound ___ oxygen

compound ___ hydrogen

half-reaction has electrons as ___

Answer 4

increases
loses
adds
loses
products

Question 5

reduction is the process that occurs when

oxidation number of an element ___

element ___ electrons

compound ___ oxygen

compound ___ hydrogen

half-reactions have electrons as ___

Answer 5

decreases
gains
loses
gains
reactants