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Maurer, Ion Gheorghe

(Encyclopedia)Maurer, Ion Gheorghe yôn gāôrˈgā [key], 1902–2000, Romanian statesman. A lawyer, he defended Romanian Communists in the 1930s and later became (1945) a member of the central committee of the Co...

common-ion effect

(Encyclopedia)common-ion effect, decrease in solubility of an ionic salt, i.e., one that dissociates in solution into its ions, caused by the presence in solution of another solute that contains one of the same ion...

hydrogen-ion concentration

(Encyclopedia)hydrogen-ion concentration: see pH.

analytical chemistry

(Encyclopedia)analytical chemistry: see under chemistry. ...

field-ion microscope

(Encyclopedia)field-ion microscope: see microscope. ...

rust, in chemistry and metallurgy

(Encyclopedia)rust, in chemistry and metallurgy: see corrosion. ...

radiation chemistry

(Encyclopedia)radiation chemistry: see radiochemistry. ...

organic chemistry

(Encyclopedia)organic chemistry, branch of chemistry dealing with the compounds of carbon. While it is only the fourteenth most common element on earth, carbon forms by far the greatest number of different compound...

valence, in chemistry

(Encyclopedia)valence, combining capacity of an atom expressed as the number of single bonds the atom can form or the number of electrons an element gives up or accepts when reacting to form a compound. Atoms are c...

ether, in chemistry

(Encyclopedia)CE5 Ethers ether, any of a number of organic compounds whose molecules contain two hydrocarbon groups joined by single bonds to an oxygen atom. The most common of these compounds is ethyl ether, C...