Question

fill in the blank 1 point
omic mass is the average number of answer and answer of all isotopes of an atom.
kilograms orbits protons neutrons isotopes electrons
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Explanation:

Atomic mass is calculated based on the weighted - average of the masses of an atom's isotopes. It mainly considers the number of protons and neutrons as electrons have negligible mass compared to them. Protons and neutrons are located in the nucleus and contribute to the atomic mass.

Answer:

protons, neutrons