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cntrywrtr
 2 years ago
can anyone explain to me how to figure this out?
cntrywrtr
 2 years ago
can anyone explain to me how to figure this out?

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cntrywrtr
 2 years ago
Best ResponseYou've already chosen the best response.0Which element listed is more reactive than lithium and magnesium, but less reactive than potassium?

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

cntrywrtr
 2 years ago
Best ResponseYou've already chosen the best response.0I 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

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

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.0if 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/
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