Answers

  • Brainly User
2015-01-10T22:10:34+05:30
So that the answer comes in whole numbers.. Scientists did it after many and many calculations..

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2015-01-10T22:34:51+05:30
So that the calculation becomes easy and the values are most often in whole numbers .
as before hydrogen and then oxugen was also taken but found not applicable for all the elements and thus carbon was at last taken.

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