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periodic table trends

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rojamiko's version from 2017-06-12 14:41

Section

Question Answer
define electronegativityability of an element to attract electrons
electronegativity _______ to the right, across a periodincreases
electronegativity _______ down a groupdecreases
atomic radius _______ to the right, across a perioddecreases
atomic radius _______ down a groupincreases
define electron affinityenergy change when an electron is ADDED to the neutral atom
electron affinity _______ to the right, across a periodincreases
electron affinity _______ down a groupdecreases
define ionization energyenergy required to REMOVE electrons from atom
ionization energy _______ to the right, across a periodincreases
ionization energy _______ down a groupdecreases
metals are ________ing agentsreducing
non-metals are ________ing agentsoxidizing
metals have _____ electronegativitieslow
non-metals have ______ electronegativitieshigh
metals are partially _________ when bonded with non-metals(+)
non-metals are partially _________ when bonded with metals(-)
metals form ______ oxidesbasic
non-metals form ______ oxidesacidic
metals have ______ MPs & BPshigh
non-meals have ______ MPs & BPslow
transition metals have ____ oxidation numbersvarying, but (+)
group VIIIA is akanoble gases
noble gases have _____ ionization energy & _____ electronegativityvery high, very low
halogens have _____ ionization energy & _____ electronegativityvery high, very high
group VIIA is akahalogens
halogens have ____ oxidation numbersusually -1
which group represents all 3 phases at RT?halogens
the reactivity of halogens _____ down the groupdecreases
define chalcogensulfides, selenides, tellurides
group IIA is akaalkaline earth metals
the reactivity of alkaline earth metals ______ down the groupincreases
alkaline earth metals react with acids to formionic salts
alkaline earth metals react with water to formhydroxides
alkaline earth metals react with O2 to formoxides
alkali metals react with halogens to formionic salts
alkali metals have ____ MPslow
alkaline earth metals have ___ MPshigh
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