Respuesta :
Isotope of element A has a similar number of protons but different number of neutrons and atomic mass.
33-15= 18 neutrons
33-15= 18 neutrons
Mass number - protons = neutrons
33 - 15 = 18
The number of neutrons here would be: 18
33 - 15 = 18
The number of neutrons here would be: 18