QUESTION IMAGE
Question
what does the number 63 represent?
1 point
63
29 cu
the number of protons of this isotope of copper
the number of protons and neutrons of this isotope of copper
the number of protons and electrons of this isotope of copper
the number of neutrons of this isotope of copper
Brief Explanations
En la notación de isótopos, el número superior (63) es la masa atómica, que es la suma del número de protones y neutrones en el núcleo del átomo. El número inferior (29) es el número atómico, que representa el número de protones.
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the number of protons and neutrons of this isotope of copper