Relative Atomic Mass || Atomic Mass unit (amu) | fundamentals of Chemistry| Pashto‪@NASIBZADASSS‬

Relative Atomic Mass || Atomic Mass unit (amu) | fundamentals of Chemistry| Pashto‪@NASIBZADASSS‬

1) Relative Atomic mass or Atomic Mass or Atomic Wright or average Atomic Mass 2) Atomic Mass unit (amu) or unified Mass ( U) or Dalton ( Da) #atomicmass ‪@NASIBZADASSS‬