QUESTION IMAGE
Question
an atom has a mass number of 35 and 16 protons. calculate the number of neutrons in this atom. 16 19 35 51
Step1: Recordar la fórmula
El número de masa \(A\) es la suma del número de protones \(p\) y neutrones \(n\): \(A = p + n\).
Step2: Despejar el número de neutrones
Reordenando la fórmula: \(n=A - p\).
Step3: Sustituir valores
Dado que \(A = 35\) y \(p = 16\), entonces \(n=35 - 16\).
Step4: Calcular
\(n = 19\).
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