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How much heavier are heavy water ?

how much heavier are heavy water ?

I understand that in nuclear reactors the core is surrounded by a water that contain hydrogen isotope ( i think it is called deuterium ), this is called "heavy water". but how much heavier are they , does one litter weighs much more ?


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Heavy water is chemically the same as regular (light) water, but with the two hydrogen atoms (as in H2O) replaced with deuterium atoms (hence the symbol D2O).

 Deuterium is an isotope of hydrogen; it has one extra neutron. Thus the deutrium atom consists of one proton and one neutron in the atomic nucleus and one orbiting electron.

It is the extra neutron that makes heavy water "heavy", about 10% heavier in fact.

Posted 2006-11-09T05:05:20Z
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thank you so very much !
Posted 2006-11-11T12:52:13Z
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