Atomic weight

chemistry aur physics me ek atom ke atomic weight lagbhag uske proton aur neutronke ginti hae. 

Category:Chemistry
Category:Nuclear physics

 Bahaari jorr 
IUPAC Commission on Isotopic Abundances and Atomic Weights
NIST relative atomic masses of all isotopes and the standard atomic weights of the elements
Atomic Weights and the International Committee — A Historical Review
Atomic Weights of the Elements 2009 – semi-official compilation in advance of the formal publication of the report

Category:Periodic table