Part B: Atomic Calculations 6. Label the information provided in the periodic table 7. What does the atomic number represent? or 8. What does the atomic mass represent? 8. O Oxygen 15.999 9. How would you figure the number of protons or electrons in an atom? 10. How would you ligure the number of neutrons in an atom? 11. Use your knowledge of atomic calculations to complete the chart. Element Protons Neutrons Electrons Atomic Number Atomic Mass Li 3 7 15 31 35 17 CI Ni K Ag H Si w Ne CE