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borax

(Encyclopedia) borax or sodium tetraborate decahydratesodium tetraborate decahydratesōˈdēəm tĕˌtrəbôrˈāt dĕkˌəhīˈdrāt [key], chemical compound, Na2B4O7·10H2O; sp. gr. 1.73; slightly soluble in cold…

sulfide

(Encyclopedia) sulfide, chemical compound containing sulfur and one other element or sulfur and a radical. Sulfides may be salts or esters of hydrogen sulfide, H2S, or may be formed directly, e.g.,…

Chemistry: Types of Solids

Types of SolidsChemistrySolidsWhat Are Solids?Why Are Solids Solid?Types of Solids There are five main types of solids, each of which has its own properties and structures. Let's have a look.…

The Chemistry of Biology: Organic Chemistry

Organic Chemistry The Chemistry of Biology Introduction Atomic Theory Chemical Reactions: Ionic, Covalent, and Polar Covalent Bonds Water Organic Chemistry Carbohydrates Lipids Proteins…

Glossary of Chemical Terms - S

SA B C D E F G H I J K L M N O P Q R S T U V W X Y Z saccharin A compound, C7H5NO3S, that is several hundred times sweeter than can sugar and is used as a calorie-free sweetener. salt An ionic…

II. Ozone Depletion

For over 50 years, chlorofluorocarbons, or CFCs, were thought of as miracle substances. They are stable, nonflammable, low in toxicity, and inexpensive to produce. Over time, CFCs found uses…

Chemistry: Predicting Reaction Products

Predicting Reaction ProductsChemistryChemical EquationsLet's Make Chili!Getting Our IngredientsHow Much of Each Ingredient Do We Need?Writing Complete EquationsAdding Variety to Our MenuPredicting…

Glossary of Chemical Terms - D

DA B C D E F G H I J K L M N O P Q R S T U V W X Y Z dehydration A reaction in which the elements that make up water (twice as many hydrogen as oxygen atoms) are removed from an organic compound.…

Geometry: The Law of Detachment

The Law of DetachmentGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given Information: Use It or…

DDT

(Encyclopedia) DDT or 2,2-bis(p-chlorophenyl)-1,1,1,-trichloroethane, chlorinated hydrocarbon compound used as an insecticide. First introduced during the 1940s, it killed insects that spread disease…