We're excited to announce several new features, designed to support your learning or teaching experience. With a focus on interactive engagement, and comprehensive resources, our latest updates empower students and educators to engage in exploring STEM.
A measure of the compactness of a substance given by the mass per unitvolume (d = m/v). Common units of density include g/ml, g/cm3, and kg/L. A measure of lead is not heavier than an equivalent measure of styrofoam, it is denser.