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Chemistry 12 Online
OpenStudy (anonymous):

Hydrogen is colorless, odorless, tasteless gas. How could you prove it is matter?

OpenStudy (cuanchi):

the conditions to be matter are not that. Matter has mass and occupy a place in the space. Hydrogen has mass and occupy space.

OpenStudy (anonymous):

Lol.... why not find youself the answer from... http://pubchem.ncbi.nlm.nih.gov/compound/Hydrogen#section=Melting-Point and share, so that we will correct it.. !!

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