ncrawley ncrawley

31-01-2022
Chemistry

contestada

What is the mass number of an isotope with an atomic number of 55 and that has 65
neutrons?

Respuesta :

jenanonymous jenanonymous

31-01-2022

Answer:

mass number = 120

Explanation:

mass number = proton (atomic number) + neutron

mass number = 55 + 65 = 120

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