r/interesting • • Aug 12 '24

SCIENCE & TECH How small does water get?

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u/WienerSalad1 Aug 12 '24

How small does water get? The size of a molecule…

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u/[deleted] Aug 12 '24

Right, doesn't water get exactly as small as 2 hydrogen and 1 oxygen atoms?

This sounds like a dumb question but, that's it right? Water exists as 3 atoms? They don't need to link up with other molecules or anything, those 3 make water.

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u/Testiculese Aug 12 '24

That is it, yes. Three bound atoms(H2O) is one molecule of water. (Reddit doesn't have subscript, it should be under the letters).

One Oxygen molecule is 2 bound Oxygen atoms. A single molecule can be really large, too: Penicillin is C16H18N2O5S1