Symbols+and+Element+Names

Give the names or the symbols

1. He _____________________

2. Br _____________________

3. N ________________________

4. O ________________________

5. Al _______________________

6. Li _____________________

7. Carbon _________________

8. Chlorine _______________ 9. S ____________________

10. Phosphorus _______________

11. Na ____________________

12. Ca ___________________

13. B ________________

14. Fluorine _____________

15. Si ______________

16. Cupper ___________

17. Mercury ____________

18. Hg ___________

19. Beryllium __________

20. Ar _____________