K Keith B. New member Oct 4, 2010 #1 (1) The exterior walls of my dorm are transparent to radio waves. (2) Because of their higher frequencies, radio waves travel through space slower than xrays. (3) Two isotopes of the element rubidium each have different numbers of protons.
(1) The exterior walls of my dorm are transparent to radio waves. (2) Because of their higher frequencies, radio waves travel through space slower than xrays. (3) Two isotopes of the element rubidium each have different numbers of protons.
