Sviversoalls Sviversoalls

06-07-2016
Physics

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if an element has the atomic mass (a) of 80 and its atomic number (z) is 35, how many neutrons does it have?

Respuesta :

olemakpadu olemakpadu

06-07-2016

Mass number, A = 80

Atomic number Z = 35,

Mass Number = Number of Protons + Number of Neutrons

80 = 35 + Number of Neutrons

Number of Neutrons = 80 - 35 = 45

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