| Random Term |
abundance |
| the ratio of the total mass of a specified element in the earth's crust to the total mass of the earth's crust, often expressed as a percentage |
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| November 3 in chemistry |
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 1749 - Daniel Rutherford born: discovered nitrogen (N, element 7); distinguished between carbon dioxide and nitrogen; invented maximum and minimum thermometer |
| 1854 - Jokichi Takamine born: biochemist and industrialist, isolated adrenaline (epinephrine). |
| 1921 - American Association of Textile Chemists and Colorists founded. |
| 1955 - Carlton E. Schwerdt announced crystallization of poliomyelitis virus at University of California. |
sources: http://webserver.lemoyne.edu/faculty/giunta/week.html, http://todayinsci.com
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