Atomic mass - Wikipedia

Atomic mass (jiske atomic weight bhi bola jaawe hae) ek term hae jon ki ek chemical element ke ek atom ke wajan hae Isme tiin subatomic particle hae: protons, electrons, and neutrons. Jab ki electrom ekam halka rahe hae, atomic mass proton aur neutron ke ke jorr hae.

Ii vigyan article ek chhota panna hae. Aap iske lamba karke Wikipedia ke madat kare saktaa hae.