Question

How is the atomic mass of an element calculated? A. by determining the number of electrons in the outer orbital B.by determining the number of protons in the nucleus C. by taking the weighted averages of naturally occurring isotopes of that element D. by dividing its mass by that of the carbon-12 atom

Answer 1

By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

Answer 2

I believe that it is B