Periodic Table of Elements

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    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15Pnictogens
    16Chalcogens
    17Halogens
    18
    Color
    Scale
    s
    block
    p
    block
    d
    block
    f
    block
    1s
    2s
    3s
    4s
    5s
    6s
    7s
    2p
    3p
    4p
    5p
    6p
    7p
    3d
    4d
    5d
    6d
    4f
    5f
    β⁻
    Beta decay
     
    Stable
    Atomic Symbol Name Weight
    1
  1. 1 H Hydrogen 1.008
  2. 2 He Helium 4.0026
    3. 2
  3. 3 Li Lithium 6.94
  4. 4 Be Beryllium 9.0122
  5. 5 B Boron 10.81
  6. 6 C Carbon 12.011
  7. 7 N Nitrogen 14.007
  8. 8 O Oxygen 15.999
  9. 9 F Fluorine 18.998
  10. 10 Ne Neon 20.180
    11. 3
  11. 11 Na Sodium 22.990
  12. 12 Mg Magnesium 24.305
  13. 13 Al Aluminium 26.982
  14. 14 Si Silicon 28.085
  15. 15 P Phosphorus 30.974
  16. 16 S Sulfur 32.06
  17. 17 Cl Chlorine 35.45
  18. 18 Ar Argon 39.948
    19. 4
  19. 19 K Potassium 39.098
  20. 20 Ca Calcium 40.078
  21. 21 Sc Scandium 44.956
  22. 22 Ti Titanium 47.867
  23. 23 V Vanadium 50.942
  24. 24 Cr Chromium 51.996
  25. 25 Mn Manganese 54.938
  26. 26 Fe Iron 55.845
  27. 27 Co Cobalt 58.933
  28. 28 Ni Nickel 58.693
  29. 29 Cu Copper 63.546
  30. 30 Zn Zinc 65.38
  31. 31 Ga Gallium 69.723
  32. 32 Ge Germanium 72.630
  33. 33 As Arsenic 74.922
  34. 34 Se Selenium 78.971
  35. 35 Br Bromine 79.904
  36. 36 Kr Krypton 83.798
    37. 5
  37. 37 Rb