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OpenStudy (13ziar):
Please Help!!! Explain why the reactivity of the alkali metals increases as you go down group 1 but the reactivity of the halogens decreases as you go down group 7.
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OpenStudy (13ziar):
@jabez177 @imqwerty
OpenStudy (13ziar):
@Frostbite
OpenStudy (13ziar):
@jagr2713
OpenStudy (13ziar):
please help me
OpenStudy (13ziar):
@zaynab123
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OpenStudy (andrew_kozak5933):
I believe it has something to do with the number of valence electrons. I would start there.
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