Determine the approximate density of a high-leaded brass that has a composition of 63.5 wt% cu, 32.5 wt% zn, and 4.0 wt% pb. the densities of cu, zn, and pb are 8.94, 7.13 and 11.35 g/cm3, respectively.

Most ionic compouds are crystalline solids at room temperature. true falseionic compounds are electrically neutral. true falseionic compounds generally have low melting points. true falsewhen melted, ionic compounds do not conduct electricity. true falsethe electrostatic attraction between an anion and a cation is an ionic bond. true false