Help make Alexa smarter on Alexa Answers. Sign in with Amazon


What's the difference between atomic mass and mass number?

The mass number is the total number of protons plus neutrons in the nucleus of an atom. The atomic mass sums the masses of those nucleons and the electrons and accounts for the reduction of the mass due to the binding energy. Mass number gives the number of nucleons, but atomic weight gives mass

{{ relativeTimeResolver(1569273484254) }}

Points points 85

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world