Atomic mass of an element depends upon what

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Using the periodic table, complete the table to describe each atom. type in your answers

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.