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Tropospheric ozone
Ozone (O3) is a key constituent of the troposphere. Photochemical and chemical reactions involving it drive many of the chemical processes that occur in the atmosphere by day and by night. At ... > more -
Linus Pauling
Linus Carl Pauling (February 28, 1901 - August 19, 1994) was an American quantum chemist and biochemist. He is widely regarded as the premier chemist of the twentieth century. Pauling pioneered the ... > more -
Nuclear reaction
In nuclear physics, a nuclear reaction is a process in which two nuclei or nuclear particles collide, to produce different products than the initial particles. In principle a reaction can involve ... > more -
Periodic table
The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ... > more -
Ultraviolet
Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of the visible region, but longer than that of soft X-rays. The Sun emits ultraviolet radiation in the UVA, ... > more -
Raney nickel
Raney nickel is a solid catalyst composed of fine grains of a nickel-aluminium alloy, used in many industrial ... > more
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