a pure substance is made up of only one kind of atom
one_of_chemical_elements is uranium. one_of_chemical_elements is not uranium. atom is substance. pure_water is oxide. pure_water is pure_substance. pure_substance is inanimate_object. anhydrous_ammonia is not pure_substance. atom is not substance. pure_water is not pure_substance. pure_substance is not inanimate_object.