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cntrywrtr Group TitleBest ResponseYou've already chosen the best response.0
Which element listed is more reactive than lithium and magnesium, but less reactive than potassium?
 one year ago

abb0t Group TitleBest ResponseYou've already chosen the best response.0
Sodium. you can refer to your periodcic table, and atomic size, availability of it's electron on orbital.
 one year ago

cntrywrtr Group TitleBest ResponseYou've already chosen the best response.0
I know the answer. I don't know how to come to that conclusion. And I don't know what you mean by availability of it's electron orbital
 one year ago

abb0t Group TitleBest ResponseYou've already chosen the best response.0
bigger shell, farther away from nucleus. less energy to remove that valence electron from potassium than from sodium, leading to increased reactivity.
 one year ago

cntrywrtr Group TitleBest ResponseYou've already chosen the best response.0
okay. =/
 one year ago

aaronq Group TitleBest ResponseYou've already chosen the best response.0
if you're talking about the metals being elemental (not in a compound) you could look at values for their 1st ionization energies, which would give you quantitative measurement of their ability to lose their valence electron(s). http://www.chemicool.com/ or http://chemreference.com/
 one year ago
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