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Calculate the number of neutrons in the
following atoms:
a) A b) P c) 19 Os d) Cr
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no of neutrons are calculated by formula
N=A-Z
A= mass no.
Z=atomic no
in p N=31-15
=16
in Os N= 190-76=114
in Cr N=52-24= 28
in Ar N =40-18=22
hope it is helful
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