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OpenStudy (anonymous):
Can some please explain to me why group 7(periodic table) elements tend to form -1 ions
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OpenStudy (aaronq):
you should post this in chemistry.. basically, all atoms want an octet (8 electrons) in their valence shell because it makes them stable. Group 7 elements have 7 valence electrons so in order to achieve an octet, they gain 1 electron (don't forget they have a negative charge.)
OpenStudy (anonymous):
Thanks!
OpenStudy (aaronq):
no problem
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