What is the difference between mass number and atomic mass (sometimes also called atomic weight) ? Boron has an atomic mass of 10.811. What does this mean?

Question

Gordon Eaton

Chemistry

20 April, 05:45

What is the difference between mass number and atomic mass (sometimes also called atomic weight) ? Boron has an atomic mass of 10.811. What does this mean?

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Judah Adams · Answer 1

I think ... atomic mass: it is the average of total masses of isotopes in the element ... mass no: it is the total no. of protons and neutrons in atomic nuclei of abundant isotope in the element