Question

Which of the following is defined as the mass of an atom based on the mass of an atom of carbon-12??

A. Isotope
B. Atomic mass
C. Atomic charge
D. Atomic number

Answer 1

The B. atomic mass of an atom is based on the mass of an atom of carbon-12.

The ionic charge depends on the number of electrons.

The atomic number depends on the number of protons.

Isotopes depend on the number of neutrons.