Polonium is the only metal that forms a simple cubic crystal structure. Use the fact that the density of polonium is 9.32g/cm^3 to calculate its atomic radius (in pm). The answer must be in pm.

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.