metal transition
121Samarium — promethium ← samarium → europium ↑ Sm ↓ …
122organometallic compound — ▪ chemical compound Introduction any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… …
123Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
124chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
125Fullerene — Buckminsterfullerene C60 (left) and carbon nanotubes (right) are two examples of structures in the fullerene family …
126Laboratory glassware — Three beakers, a conical flask, a graduated cylinder and a volumetric flask …
127Classification of surfactants — Surfactants are classified according to their chemical structure (head and tail) and their counter ion. Contents 1 Classification 1.1 According to the composition of their tail 1.2 According to the composition of their head …
128Ferdinand Bohlmann — (* 28. August 1921 in Oldenburg; † 23. September 1991) war ein deutscher Naturstoff Chemiker. Inhaltsverzeichnis …
