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Sagot :
In this question, we are asked to determine the number of neutrons of an arsenic atom.
When we are given with the atomic number of Arsenic atom, i.e. 27 and mass number 60
We know that Atom is made up of three major sub atomic particles, i.e. electron, proton, and neutron.
Out of these three, electron is negatively charged sub atomic particle tat revolves around the nucleus.
Proton is positively charged sub atomic particles that resides inside the nucleus along with neutral neutrons.
As the majority of mass of atom is collected inside the nucleus, the mass number refers to the sum of the number of protons and number of neutrons.
and Atomic number is equal to the number of Protons.
So,
Number of neutron = Mass number - Atomic number
Number of neutron = 60 - 27
Number of neutron = 33
To know more about Atom:
brainly.com/question/13654549
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