कण भार

(aangrezi:Particle Weight) karban-12 ikaiyoan mean kisi kan ka bharus kan ka kan bhar kahalata hai. ilektr aaun bhar 0.00055, prot aaun ka prot aaun bhar 1.00757, tatha nyootr aaun ka nyootr aaun bhar 1.00893 hota hai. kisi kan ke 1 gram kan mean usake 6.023 x 10²³ kan hote haian. vartaman mean yah spasht ho gaya hai ki ye sabhi bhar nahian hai apitu dravyaman haian. atah in sabhi bharoan ko 'apekshit dravyaman' kaha jata hai.

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