Columbia Encyclopedia
Search results
500 results found
calcium chloride
(Encyclopedia)calcium chloride, CaCl2, chemical compound that is crystalline, lumpy, or flaky, is usually white, and is very soluble in water. The anhydrous compound is hygroscopic; it rapidly absorbs water and is ...stannic
(Encyclopedia)stannic: a chemical compound containing tin in the +4 valence state. ...stannous
(Encyclopedia)stannous: a chemical compound containing tin in the +2 valence state. ...zinc sulfate
(Encyclopedia)zinc sulfate, chemical compound ZnSO4, a very water soluble, transparent, colorless, crystalline compound. It is commonly used as the heptahydrate, ZnSO4·7H2O, and is commonly called white vitriol; i...oxide
(Encyclopedia)oxide, chemical compound containing oxygen and one other chemical element. Oxides are widely and abundantly distributed in nature. Water is the oxide of hydrogen. Silicon dioxide is the major componen...milk of magnesia
(Encyclopedia)milk of magnesia, common name for the chemical compound magnesium hydroxide, Mg(OH)2. The viscous, white, mildly alkaline mixture that is used medicinally as an antacid and laxative is a suspension of...No, chemical symbol
(Encyclopedia)No, symbol for the element nobelium. ...Ac, chemical symbol
(Encyclopedia)Ac, symbol for the element actinium. ...La, chemical symbol
(Encyclopedia)La, symbol for the element lanthanum. ...Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...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 +-
