객관식Which state of matter typically has the highest density? (Note: water is an exception to this trend.)133views
객관식Copper has a density of 8900 kg/m^3. If a copper atom loses one electron to become Cu^+, what fraction of its electrons has been removed?149views
객관식Two liquids, Medium 1 and Medium 2, are placed in separate containers. Medium 1 has a mass of 50 g and a volume of 40 mL, while Medium 2 has a mass of 60 g and a volume of 80 mL. Which medium is more dense?99views
객관식A piece of wood measures 4 in × 6 in × 3 in and has a mass of 80 grams. What is its density in g/cm^3? (1 in = 2.54 cm)119views