(Solved): 7. The four isotopes of lead are shown in the table below. The table shows the number of protons, n ...

7. The four isotopes of lead are shown in the table below. The table shows the number of protons, neutrons, and electrons for each isotope. Complete the two tasks below. to first write the isotope symbol for each isotope. B. Use the mass numbers and Abundance for each isotope to calculate the average atomic mass for lead.