Uses:Oxygen was the atomic weight standard of comparison for the other elements until 1961 when the International Union of Pure and Applied Chemistry adopted carbon 12 as the new basis. It is the third mostabundant elementfound in the sun and the earth, and it plays a part in the carbon-n...
About this element Symbol: O Date of discovery:1774 Name origin:Greekoxusandgennan Appearance:colorless Discoverer:Joseph Priestley/Carl Scheele Obtained from:liquid air Melting point:54 K Boiling point:90 K Density[kg/m3]:1.429 Molar volume:17.36 × 10-6m3/mol ...
Theoxygenelement is present in the periodic table with the chemical symbolO. It is one of the most important elements on Earth. In fact, without oxygen, most life would not be able to survive. Today, it makes up about 21% of the atmosphere, but the planet was very different 2.4 billion...
Oxygen is colorless, odorless, and tasteless in its gaseous form, and condenses to pale blue liquid and solid forms. Oxygen is a highly reactive element that promotes rapid combustion and is often used in industrial applications.Products Nexsa G2 XPS 微焦点 X 射线源 独特的多技术选项 ...
Oxygen is the first element in Group 16 (VIA) of the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. The elements in Group 16 are said to belong to the chalcogen family. Other elements in this group include sulfur, selenium, tellu...
oxygenThe In My Element series celebrates the personal accounts from Chemistry – A European Journal Editorial Board members for the 2019 International Year of the Periodic Table. In this contribution, C. N. R. Rao gives his story on oxygen....
Nearly every element in the periodic table forms at least one compound both with hydrogen and with oxygen. The resulting hydrides and oxides are often important compounds in their own right. They have properties which fcllow neat trends in the periodic table, helping us to correlate the ...
Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is Earth's most abundant...
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Element No. 8 on thePeriodic Table of the Elementsis a colorless gas that makes up 21 percent of Earth's atmosphere. Because it's all around, oxygen is easy to dismiss as dull and inert; in fact, it's the most reactive of the non-metallic elements. ...