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Pembroke, Aymer de Valence, earl of
(Encyclopedia)Pembroke, Aymer de Valence, earl of pĕmˈbro͝ok [key], d. 1324, English nobleman; nephew of Aymer of Valence, bishop of Winchester. He succeeded his father, William, half-brother of Henry III, as ea...Aymer of Valence, earl of Pembroke
(Encyclopedia)Aymer of Valence, earl of Pembroke: see Pembroke, Aymer de Valence, earl of. ...rust, in chemistry and metallurgy
(Encyclopedia)rust, in chemistry and metallurgy: see corrosion. ...equivalent weight
(Encyclopedia)equivalent weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. The unit of equivalent weight is the a...oxidation number
(Encyclopedia)oxidation number or oxidation state: see valence. ...Drôme
(Encyclopedia)Drôme drōm [key], department, SE France. Valence is the capital. ...copper sulfate
(Encyclopedia)copper sulfate, common name for the blue crystalline heptahydrate of cupric sulfate, in which copper has valence +2. It may also refer to cuprous sulfate (Cu2SO4), in which copper has valence +1. ...cupric
(Encyclopedia)cupric kyo͞oˈprĭk [key], copper in the +2 valence state. ...cuprous
(Encyclopedia)cuprous kyo͞oˈprəs [key], copper in the +1 valence state. ...ferric
(Encyclopedia)ferric fĕrˈĭk [key], iron in the +3 valence state. ...Browse by Subject
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