Chapter 18

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Oxidation reduction reactions are where _________

electrons are transferred from one atom to another
Atoms that gain electrons are _________

being reduced
Atoms that lose electrons are _________

being oxidized
The oxidation number of an element increases in _________

oxidation
A compound adds oxygen in _________

oxidation
A compound loses hydrogen in _________

oxidation
A half-reaction has electrons as the product in _________

oxidation
The oxidation number of an element decreases in _________

reduction
A compound loses oxygen in _________

reduction
A compound gains hydrogen in _________

reduction
A half-reaction has electrons as the reactants in _________

reduction
Spontaneous redox reactions take place in _________

voltaic cells
Voltaic cells are also known as _________

galvanic cells
Nonspontaneous redox reactions can occur in electrolytic cells by _________

the addition of electrical energy
Oxidation occurs at the _________

anode
Anions are attracted to the _________

anode
The _________ is connected to the positive end of a battery in an electrolytic cell

anode
Reduction occurs at the _________

cathode
Cations are attracted to the _________

cathode
The _________ is connected to the negative end of a battery in an electrolytic cell

cathode
In cell notation, the oxidation half-cell is _________

on the left
In cell notation, the reduction half-cell is _________

on the right
The _________ is the source of the electrons and has a negative charge in voltaic cells

anode
The _________ draws electrons and has a positive charge in voltaic cells

cathode
Electrons are on the left in ________

reduction
Electrons are on the right in _______

oxidation

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vinco

321208

Card Set

Chapter 18

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Updated

2016-06-21T02:43:21Z

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