Question

-------------- and ------------- become liquid at a temperature slightly above room temperature. a) Mercury and sodium b) Carbon and Magnesium c) Gallium and Cesium d) None of these​

Answer 1

Answer:

bromium and mercury

and hear is details

Mercury(I) bromide or mercurous bromide is the chemical compound composed of mercury and bromine with the formula Hg₂Br₂. It changes color from white to yellow when heated and fluoresces a salmon color when exposed to ultraviolet light. It has applications in acousto-optical devices.