What's in this drink?

Chemistry Level 1

Fill in the blank with the correct element.

Water is composed of two hydrogen molecules and one _ _ _ _ __ molecule.

Nitrogen Phosphorous Helium Oxygen

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Rafaela L by Rafaela L , 19, USA

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3 solutions

Diego Barreto
Mar 2, 2015

Water (H2O) is composed of two ATOMS of hydrogen and one ATOM of oxygen. So it's actually wrong because it should be atoms, not molecules.

H2O, CO2, NH3 are examples of molecules.

H, O, C, N are examples of atoms.

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Saanika Gupta
Jan 4, 2015

H2O(Water) is made up of 2 hydrogen molecules and 1 oxygen molecule.

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Nelson Mandela
Dec 31, 2014

Water is H2O so it contains two molecules of hydrogen and one molecule of oxygen.

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