Columbia Encyclopedia
Search results
500 results found
Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...No, chemical symbol
(Encyclopedia)No, symbol for the element nobelium. ...Og, chemical symbol
(Encyclopedia)Og, symbol for the element oganesson. ...Tb, chemical symbol
(Encyclopedia)Tb, symbol for the element terbium. ...Cd, chemical symbol
(Encyclopedia)Cd, symbol for the element cadmium. ...Pd
(Encyclopedia)Pd, symbol for the element palladium. ...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, ...analysis, chemical
(Encyclopedia)analysis, chemical: see chemical analysis. ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
