CBSE Class 9 Answered
Why is the mass of electrons ignored while calculating the atomic mass of an element?
Asked by Topperlearning User | 26 Aug, 2014, 02:31: PM
Expert Answer
The mass of an electron is so small that it is considered to be negligible and is hence ignored in the calculations of atomic mass of an element.
Answered by | 26 Aug, 2014, 04:31: PM
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