What is atomic mass

  1. the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
  2.  
   

  • 3
the mass of the nucleus that means proton + nuetron.
  • 0
The mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom or to the average number allowing for the relative abundances of different isotopes.
  • 2
The mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
  • 2
mass of atom expressed as atomic mass
 
  • 0
mass of proton+mass of neutron
its units include u(unified mass)
  • 0
it is defined as the number of times of a given atom is heavier than 1/12 of the mass of one atom of C12.
  • 0
mass of proton +mass of neutron 
  • 0
The atomic mass is the mass of an atomic particle, sub-atomic particle, or molecule.
  • 0
What are you looking for?