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What is dofnetion of atomic maas

Answer»

c mass of an element is the average relative mass of its atoms as compared with an ATOM of carbon -12 TAKEN as 12.✔ Atomic mass unit(amu) : Today KNOWN as UNIFIED mass (u) is a mass exactly equal to 1/12 the mass of an one carbon-12 atom .✔1amu= 1.6605056×10^-24gIn short => It is a characteristic of an atom that is a measure of its size. ✔It is also known as atomic weight.THANKS ✔



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