joseurrutia823 joseurrutia823 16-02-2021 Chemistry contestada How can you find the number of protons from the nuclide symbol? It is the difference in the mass number and atomic number. It is half the number in the upper left (half the mass number). It is the number in the lower left (atomic number). It is the number in the upper left (atomic number). It is the number in the upper left (mass number).
