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Oxygen
Category：
Specifications：
3.2kg/bottle
CAS：
7782-44-7
Detail
Oxygen, the element symbol O, is located in Group VI A of the second period of the periodic table. In 1774, the British scientist J. Joseph Priestley focused the sunlight on mercury oxide with a lens and found a gas that can strongly help combustion. Antoine Laurent de Lavoisier studied this gas and correctly explained its role in combustion. Oxygen is the most abundant and widely distributed element in the crust, and it is also the most important element constituting the biological and abiotic worlds. The content in the crust is 48.6%. Simple oxygen accounts for 20.9% in the atmosphere.
oxygen
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