Chemistry, asked by Rayyan3705, 6 months ago

Parmanu dravyaman vyakt karne ke liye aajkal Kis tatva Ko Praman it Mana gaya hai

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Answered by debadasbiswal59
1

एक परमाणु के द्रव्यमान को परमाणु द्रव्यमान (atomic mass) कहते हैं। इसकी ईकाई एकीकृत परमाणु संहति मात्रक (unified atomic mass units

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