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CBSE Class 9 Answered

How can we find no. of neutrons if we don't have atomic mass of element?
Asked by | 16 Jan, 2012, 10:31: AM
Expert Answer

Mass number (A) = number of protons (Z) + number of neutrons (n)

Number of neutron(n)=Mass number (A) - Number of protons(Z)
Answered by | 16 Jan, 2012, 04:42: PM
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