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OpenStudy (anonymous):
Which element is the most reactive? sodium nickel carbon oxygen
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OpenStudy (aaronq):
The ability of atoms to "hold on" to their electrons is a basis for being inert (non-reactive), so you have to follow the ionization trends of the periodic table. Which of these takes the least energy to ionize?
OpenStudy (anonymous):
Wouldn't it be oxygen? It has less till it is full?
OpenStudy (anonymous):
Oh, that would be the least reactive, wouldn't it..
OpenStudy (aaronq):
nope, it would be a metal. The most reactive elements lie in the first and second periods. They're highly reactive because they have only 1 or 2 valence electrons which are easily lost (easily in terms of energy needed to ionize them).
OpenStudy (anonymous):
Sodium then.
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OpenStudy (aaronq):
yes
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