Which would you expect to be larger, an atom of cesium or an atom of francium? Which would expect to be larger, an atom of francium or an atom of radium? List the two conversion factors that relate...

Which would you expect to be larger, an atom of cesium or an atom of francium? Which would expect to be larger, an atom of francium or an atom of radium? List the two conversion factors that relate number of lithium atoms and moles of lithium. List the two conversion factors that relate number of nitrogen atoms and moles of nitrogen.