For elements with no stable isotopes, the mass number of the isotope with the longest half-life is in parentheses. 1. 3. 4. 11. 12. 19. 20. 37. 38. 21. 22. 39. |
223.020. Periodic Table of the Elements. 2. 13. 14. IIA. IIIA. IVA. 2A. 3A. 4A. 4. 5. 6. Be. B C. Beryllium. Boron. Carbon. 9.012. 10.811. 12.011. |
The Periodic Table of the Elements. 1. H. Hydrogen. 1.00794. 2. He. Helium. 4.003. 3. Li. Lithium. 6.941. 4. Be. Beryllium. 9.012182. 5. B. Boron. 10.811. |
Find the perfect free printable periodic table for any need. Download printable periodic tables as PNG or PDF. Many styles are available. Periodic Table For Kids · Periodic Table with Charges · Colorful Periodic Table |
Page 1. 1. H. Hydrogen. 1.008. Periodic Table of the Elements. 18. 2. He. Helium. 2. 3. 4. Li. Be. 13. 14. 15. 16. 17. 4.003. 5. 6. 7. 8. |
PERIODIC TABLE OF THE ELEMENTS. 1. 2. H. He. 1.008. 2. 13 14 15 16 17 4.00. 3. Li. 6.94. 11. Na. 22.99. 4. Be. 9.01. 12. Mg. 24.30. 3. 4. 5. 6. 7. 8. |
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