After 1911, most scientists accepted the theory that nucleus of an atom was very dense and very small and has a positive charge. what led scientists to accept this theory?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.