Which elements will bond ionically with barium such that the formula would be written as bax2? a) nitrogen, chlorine, and sodium b) chlorine, iodine, and fluorine c) hydrogen, bromine and aluminum d) oxygen and sulfur

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?