Gas jar of Hydrogen. Hydrogen is a colourless gas at room temperature. Its chemical symbol is H and is the most abundant chemical in the universe. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. At a concentration of 4-74%, hydrogen gas forms an explosive mixture with air.
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Creative#:
TOP16426015
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
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N/A
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No
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