the physical 4 for tin is radium
one_of_chemical_elements is radium. radium is radioactive_substance. radium is metallic_element. one_of_chemical_elements is not radium. tin is silver. radium is not metallic_element. tin is metallic_element. radium is not radioactive_substance. radium is not unalloyed_metal. radium is unalloyed_metal.