The average atomic mass of oxygen is 15.9994 amu. the atomic masses of its three isotopes are as follows: 0-16: 15.995 amu; 0-17: 16.999 amu; 0-18: 17.999 amu which isotope is most likely to have the greatest abundance in nature?

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.