part 1 redox rxn

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Chemistry

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12 Terms

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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