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#Post#: 1599--------------------------------------------------
Daily question-25
DIR By: Shiva
Date: December 16, 2012, 12:33 pm
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Isotopes differ in
(a) The number of protons
(b) The valence number
(c) The chemical activity
(d) The number of neutrons
#Post#: 1601--------------------------------------------------
Re: Daily question-25
DIR By: Michel
Date: December 16, 2012, 1:52 pm
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D
#Post#: 1605--------------------------------------------------
Re: Daily question-25
DIR By: Shiva
Date: December 17, 2012, 11:55 am
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Yeah :-)
#Post#: 1622--------------------------------------------------
Re: Daily question-25
DIR By: Sobia Sarwar
Date: December 18, 2012, 5:00 am
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(d)the number of neutrons
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