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Ac, chemical symbol
(Encyclopedia)Ac, symbol for the element actinium. ...La, chemical symbol
(Encyclopedia)La, symbol for the element lanthanum. ...Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...Cd, chemical symbol
(Encyclopedia)Cd, symbol for the element cadmium. ...Tb, chemical symbol
(Encyclopedia)Tb, symbol for the element terbium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...Si, chemical symbol
(Encyclopedia)Si, symbol for the element silicon. ...Co
(Encyclopedia)Co, symbol for the element cobalt. ...ruthenium
(Encyclopedia)ruthenium ro͞othēˈnēəm [key], metallic chemical element; symbol Ru; at. no. 44; at. wt. 101.07; m.p. about 2,310℃; b.p. about 3,900℃; sp. gr. 12.41 at 20℃; valence commonly +2, +3, +4, +6, ...Browse by Subject
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