Number your paper 1-36. Write down the correct letter or letter combination that goes with the element. Make sure your upper and lower case letters are written properly. The number of protons in the nucleus of an atom is called the _______________. Find the number of neutrons in Zinc. How many electrons does Magnesium have in its outer shell. What is the name of the group that sodium is in? Non-metals that do not combine chemically with other elements are called? Which of the following elements is most likely to combine with Calcium? Sodium, Carbon, Oxygen, or Chlorine 1. C 9. He 2. N 10. F 3. Mg 11. Na 4. H 12. Al 5. P 13. B 6. Si 14. Ne 7. O 15. Be 8. Li 16. sulfur 24. Cr 17. calcium 25. nickel 18. V 26. argon 19. Zinc 27. K 20. Mn 28. iron 21. copper 29. cobalt 22. chlorine 30. Ti 23. Sc 31. Atomic Number 32. 35 33. 2 34. Alkali 35. Noble Gases 36. Oxygen