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- date unknown
The atomic number for water hydrogen is 1.
- date unknown
linked to 143667
xtofu80 - Jul 1st 2010, 16:31
The atomic number for hydrogen is 1.
xtofu80 - Jul 1st 2010, 16:34
linked to 416661
xtofu80 - Jul 1st 2010, 16:34
linked to 416658
shoras - Jul 2nd 2010, 09:28
linked to 416965
saeb - Jul 8th 2010, 23:11
linked to 422619
Pharamp - Jul 12th 2010, 18:34
linked to 416960
alexmarcelo - Jun 22nd 2011, 22:22
linked to 950768
Zifre - Jul 1st 2011, 16:23
linked to 640810
marcelostockle - Jul 17th 2012, 20:36
linked to 1704801
learnaspossible - Oct 14th 2013, 09:49
linked to 2790130
marafon - Oct 15th 2013, 00:23
linked to 2791851
alexmarcelo - Nov 5th 2013, 18:05
linked to 2831263

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Sentence #270900

The atomic number for hydrogen is 1.

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