Chapter 18

Oxidation reduction reactions are where _________

Atoms that gain electrons are _________

Atoms that lose electrons are _________

The oxidation number of an element increases in _________

A compound adds oxygen in _________

A compound loses hydrogen in _________

A half-reaction has electrons as the product in _________

The oxidation number of an element decreases in _________

A compound loses oxygen in _________

A compound gains hydrogen in _________

A half-reaction has electrons as the reactants in _________

Spontaneous redox reactions take place in _________

Voltaic cells are also known as _________

Nonspontaneous redox reactions can occur in electrolytic cells by _________

Oxidation occurs at the _________

Anions are attracted to the _________

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

Reduction occurs at the _________

Cations are attracted to the _________

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

In cell notation, the oxidation half-cell is _________

In cell notation, the reduction half-cell is _________

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

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

Electrons are on the left in ________

Electrons are on the right in _______