Question

19 what does the atomic mass of an element represent? a) the number of protons in the atom b) the number of neutrons in the atom c) the weighted average of the masses of the element’s isotopes d) the number of electrons in the atom

Explanation:

The atomic mass of an element is the weighted - average of the masses of its isotopes. Isotopes are atoms of the same element with different numbers of neutrons. Protons determine the atomic number, not atomic mass. Neutrons alone do not define atomic mass. Electrons have negligible mass compared to protons and neutrons and do not contribute to atomic mass calculation.

Answer:

C. The weighted average of the masses of the element’s isotopes