@mcw: Haha nice one

RE: RE: Isotopes: What Are They And Why Do We Care? Chemistry With Battlr Ep. 7

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RE: Isotopes: What Are They And Why Do We Care? Chemistry With Battlr Ep. 7

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2017-08-30 11:44

Haha nice one
O-18 is too expensive for me to use XDD

2017-08-30 11:44

$ 0.122

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@mcw: Haha nice one