kiki09
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kiki09
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2013-09-22 9:35 pm
How many protons are in Nitrogen if it has a 7 above the symbol?
kiki09
回覆: 1
2013-09-22 9:32 pm
If the charge on this nitrogen is -3, how many electrons would it have?
kiki09
回覆: 2
2010-01-15 7:44 am
東橫Inn預約問題...
kiki09
回覆: 6
2008-06-11 3:24 pm
牛腩要多久?
kiki09
回覆: 2
2007-04-10 4:43 pm
Remote Desktop?
1
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