An AX ceramic compound has the rock salt structure. If the radii of the A and X ions are 0.137 and 0.241 nm respectively, and the respective atomic weights are 22.7 and 91.4 g/mol, what is the density in grams/cm3 of this material

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide