fill in the blank 1 point\nomic mass is the average number of answer and answer of all isotopes of an…

fill in the blank 1 point\nomic mass is the average number of answer and answer of all isotopes of an atom.\nkilograms orbits protons neutrons isotopes electrons\nprevious
Answer
Brief Explanations:
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