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Given: Number of protons = 13; Number of electrons = 13; Number of neutrons = 14; Calculate the mass number of the element.

Asked by Topperlearning User 14th May 2014, 6:35 AM
Answered by Expert
Answer:

Mass number is the sum of neutrons and protons present in a nucleus.

Mass no. = No. of protons + No. of neutrons

             = 13 + 14

             = 27

Therefore, its mass number is 27.

Answered by Expert 14th May 2014, 8:35 AM
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