An element's atomic number is 77. how many protons would an atom of this element have? protons

come closer and become far apart and become steam/gas

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods