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Chemical nomenclature, replete as it is with compounds with very complex names, is a repository for some names that may be considered unusual. A browse through the Physical Constants of Organic Compounds in the CRC Handbook of Chemistry and Physics (a fundamental resource) will reveal not just the whimsical work of chemists, but the sometimes peculiar compound names that occur as the ...
PG5 is the largest stable synthetic molecule ever made. [1] PG5 was designed by the organic chemistry research group working at the Federal Institute of Technology in Zürich . [ 2 ]
The longest official geographical name in Australia is Mamungkukumpurangkuntjunya. [28] It has 26 letters and is a Pitjantjatjara word meaning "where the Devil urinates". [29] Liechtenstein is the longest single-word country name in English, and the second-longest is Turkmenistan
The longest recognized systematic name is for the protein titin, at 189,819 letters. [1] While lexicographers regard generic names of chemical compounds as verbal formulae rather than words, [2] for its sheer length the systematic name for titin is often included in longest-word lists.
This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.
Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English language. The word can be analysed as follows: Pneumono: from ancient Greek (πνεύμων, pneúmōn) which means lungs; ultra: from Latin, meaning beyond; micro and scopic: from ancient Greek, meaning small looking, referring to the fineness of ...
The protein's empirical chemical formula is C 169,719 H 270,466 N 45,688 O 52,238 S 911. [22] It has a theoretical instability index (II) of 42.38, classifying the protein as unstable. [ 22 ] The protein's in vivo half-life , the time it takes for half of the amount of protein in a cell to break down after its synthesis in the cell, is ...
The longest-lived isotope, 266 Lr, has a half-life of about ten hours and is one of the longest-lived superheavy isotopes known to date. [85] However, shorter-lived isotopes are usually used in chemical experiments because 266 Lr currently can only be produced as a final decay product of even heavier and harder-to-make elements: it was ...