plawson2007 plawson2007

01-10-2018
Physics

contestada

How many neutrons does element x have if it's atomic number is 27 and it's mass number is 74

Respuesta :

02-10-2018

Atomic number=Proton count

Atomic mass=Proton count+ neutron count

Neuton Count=Atomic mass-Proton count

Proton count=Atomic number=27

Mass number=74

Neuton count= 74-27=47

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