part 1 redox rxn

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Chemistry

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12 Terms

1
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electrochemistry

the study of relationships between chemical reactions and the flow of electrons

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electronegativity

the ability of an element to attract electrons towards itself

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most electronegative atoms

fluorine, oxygen, chlorine, nitrogen, bromine

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least electronegative atoms

radium, francium, cesium, rubidium

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how do electrons move between species?

through covalently bonded molecules and ionic bonds

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how do covalently bonded molecules move electrons between species?

elements share equally ex. H2
compouns share unequally ex H20

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how do ionic bonds move electrons between species?

they transfer electrons (give or take)

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oxidation reduction reactions (redox reactions)

reactions where one or more electrons are transfered

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oxidation

where electrons are removed from an atom or ion

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reduction

where electrons are gained from an atom or ion

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reducing agent

causes the reduction of another species

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oxidation agent

causes the oxidation of another species