13. Liquids, Solids & Intermolecular Forces

Aluminum has a face-centered cubic unit structure and a density of 2.716 g/cm3. Calculate the edge length of the unit cell.

An element crystallizes in a face-centered cubic lattice and has a density of 3.16 g/cm³. The edge of its unit cell is 7.49 x 10^-8 cm. How many atoms are in each unit cell?

An element crystallizes in a face-centered cubic lattice and has a density of 18.44 g/cm³. The edge of its unit cell is 1.05×10^-8 cm. Calculate the atomic mass for the element.

Sodium chloride solidifies into a face-centered cubic unit cell with a density of 2.17 g/cm³. What is its volume in cm³?

Assuming that the ionic radius of oxygen is 140 pm, estimate the ionic radius of manganese.

Pure gold crystallizes in a face-centered cubic unit cell with an edge length of 4.08 Å. The alloy called 18-karat gold consists of 75% Au, 15% Ag, and 10% Cu by mass. What is the empirical formula of 18-karat gold, to two significant digits?