510 likes | 668 Views
Elements You Have to Memorize p. 77. 1. Helium. 2. Carbon. 3. Calcium. 4. Aluminum. 5. Iodine. 6. Magnesium. 7. Cl. 8. Au. 9. H. 10. Pb. 11. Mercury. 12. P. 13. Fe. 14. Oxygen. 15. Ni. 16. Potassium. 17. Nitrogen. 18. Ag. 19. Zn. 20. Uranium. 21. Silicon.
E N D