What is atomic mass a: the mass of the atom based on the mass of an atom of oxygen-16 b: the mass of an atom based on the mass of an atom of carbon-12 c: the average mass of all isotopes d: the mass of the atom based on the mass of an atom of hydrogen-1

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.