Portable oxygen bar. Oxygen bars were a fad for a while, I think it's kind of over now, but you can still buy cans of concentrated oxygen (they say they are about 80%, compared to the 21% natural concentration in air) meant to be inhaled for non-medical reasons. In a proper oxy...
Oxygen Element FactsThe chemistry of respiration: Antoine Lavoisier carries out an experiment to study the oxygen content of air exhaled from a man's lungs. Lavoisier's wife Marie-Anne makes notes. She also created the engraving from which this image was taken....
who had actually isolated oxygen in 1771 and written about it, but not published the work. Oxygen's third discoverer was Antoine-Laurent de Lavoisier, a French chemist who gave the element its name. The word comes from the Greek "oxy" and "genes," meaning "acid-forming." ...
The samples (except gases) weigh about 0.25 grams each, and the whole set comes in a very nice wooden box with a printed periodic table in the lid. To learn more about the set you can visit my page about element collecting for a general description and information about how to buy one...
Three interesting facts about the element Krypton include: - It is relatively inert and only forms a handful of known compounds. - It was discovered in 1898 - It is used for producing lighting and lasers, and to measure the formation of elements in space. Is krypton a real element?
Sample from the Everest Set. Up until the early 1990's a company in Russia sold a periodic table collection with element samples. At some point their American distributor sold off the remaining stock to a man who is now selling them on eBay. The samples (except gases) weigh about 0.25 ...
Atomic Data of Oxygen (Element 8) Its Uses Biological Role of Oxygen Interesting Facts Cost of Oxygen What is Oxygen Oxygen (pronunciation: OK-si-jen) is a colorless element that belongs to the group of Chalcogens inthe periodic table, and it is represented by the chemical symbol O[1, 2...
Oxygen is the element with atomic number 8 and element symbol O. Under ordinary conditions, it can exist as a pure element in the form of oxygen gas (O2) and also ozone (O3). Here is a collection of facts about this essential element. Oxygen Basic Facts Atomic Number:8 Symbol:O Atomic...
There are many interestingfacts about the element gold, which is listed on the periodic table as Au. This is the only truly yellow metal on Earth, but there's a lot more to learn about gold. Gold Facts Gold is the only metal that is yellow or "golden." Other metals may develop a ...
after oxygen and carbon, because hydrogen is so light. Hydrogen exists as a pure element on Earth as a diatomic gas, H2, but it's rare in Earth's atmosphere because it is light enough to escape gravity and bleed into space. The element remains common at the Earth's surface, where it...