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Consider the isotope arsenic-76

How many protons are in an atom of this isotope?
33

What is the mass number of this isotope?
76

How many neutrons are in an atom of this isotope?
43

What is the atomic number of this isotope?
33

Give the nuclear symol
76/33 As

How many electrons does this isotope have when neutral
33

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What is the atomic mass of this isotope?
75.919 u

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