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#Post#: 1247--------------------------------------------------
Daily question-5
DIR By: Shiva
Date: November 27, 2012, 12:10 am
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Which of the following contains 10 electrons, 11 protons and 12
neutrons (Atomic number of Ne is 10 and of Na is 11)
(i) 20Ne+
(ii) 22Na
(iii) 23Na
(iv) 22Na+
#Post#: 1257--------------------------------------------------
Re: Daily question-5
DIR By: Chris
Date: November 27, 2012, 11:38 am
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23Na+
#Post#: 1258--------------------------------------------------
Re: Daily question-5
DIR By: Shiva
Date: November 27, 2012, 11:41 am
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you mean option iv?
#Post#: 1259--------------------------------------------------
Re: Daily question-5
DIR By: Chris
Date: November 27, 2012, 11:45 am
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23Na+ is Na losing 1 electron. The nucleus remains the same
isnt it correct?
#Post#: 1261--------------------------------------------------
Re: Daily question-5
DIR By: Shiva
Date: November 27, 2012, 12:35 pm
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Yep, correct :-)
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