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Chemistry
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OpenStudy (ellamoyseyuk):
Atoms of the group 15 elements tend to react to form _______ ions.?
(the answer chioces)
A. 5+ B. 5− C. 3+ D. 3−
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OpenStudy (ellamoyseyuk):
I THINK THE ANSWER IS D IS THAT THE CORECT ANSWER? @phi
NvidiaIntely (nvidiaintely):
@TheSmartOne @Photon336 @aaronq
OpenStudy (ellamoyseyuk):
@mathstudent55
NvidiaIntely (nvidiaintely):
@Nnesha @welshfella @sweetburger @JoannaBlackwelder
OpenStudy (aaronq):
group 15 elements have how many valance electrons?
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OpenStudy (ellamoyseyuk):
5
OpenStudy (ellamoyseyuk):
@aaronq
OpenStudy (aaronq):
so order to have a total of 8 valence electrons is it easier (more energetically favourable) to get rid of 5 or to gain 3?
OpenStudy (ellamoyseyuk):
TO GET RID OF 5
OpenStudy (aaronq):
no, that's incorrect. The lower number is (almost) always correct. It is easier to gain 3.
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OpenStudy (ellamoyseyuk):
SO IT WOULD BE 3+
OpenStudy (aaronq):
Electrons are negatively charged. So each one gained will give the ion 1 negative charge.
Accumulating 3 electrons will give the ion a -3 charge.
OpenStudy (ellamoyseyuk):
SO THE ANSWER IS D.
OpenStudy (aaronq):
your correct option is D, but the answer is 3-.
OpenStudy (ellamoyseyuk):
OKAY THANKS FOR THE EXPLANTION AND ANSWER..
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OpenStudy (aaronq):
no problem
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