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16-03-2021
Chemistry

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in ( 55Mn ) atomic number = 25

Neutrons =....؟

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27-03-2021

Explanation:

mass number =55

atomic number =25

atomic number =number of proton=25

in neutral atom, number of proton=number of neutron

number of electron=25

mass number =p +n =55

number of neutron =55-25=30

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