Answers

2015-05-13T18:11:54+05:30
Atomic mass unit is equal to exactly one-twelfth the mass one atom of carbon-12it is called atomic mass unit. it is written as 'u'.
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2015-05-13T18:55:42+05:30
It is equal to exactly one-twelfth the mass one atom of carbon-12it is called atomic mass unit
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