INORGANIC CHEMISTRY QUESTIONS WITH CORRECT ANSWERS

Chemistry - the study of the composition, structure, properties, and reactions of matter. Organic Chemistry - the study of the structures that contain the element carbon Inorganic Chemistry - the study of all other substances except those that contain the element carbon Geochemistry - the study of the chemical composition of ores, soils, and minerals of the surface of earth and other planets Measured numbers - are numbers you obtain when you measure a quantity Exact numbers - are numbers obtained by counting items Density formula - D=m/v Chemical - a substance that always has the same composition and properties wherever it is found Matter - anything that has mass and occupies space Pure substance - matter that has a fixed or definite composition Element - composed of only one type of material Compound - consists of two or more elements always chemically combined in the same proportion Mixture - two or more substances are physically mixed, but not chemically combined Homogeneous - mixtures are not visible