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Elements Classic · completed 17 Oct 2026 · top 10

Elements, from memory.

45

45/118 elements named

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Matter in your table

Your recalled elements connect into familiar matter.

These are constituent-element matches, not instructions for mixing elements. Ratios, bonds, structure, and reaction conditions decide what matter actually forms.

  1. C₅₅H₇₂MgN₄O₅HCNOMg
    Element map · dotted links show shared membership, not chemical bonds

    You recalled chlorophyll’s entire elemental alphabet.

    Carbon, hydrogen, nitrogen, oxygen, and magnesium are every kind of atom present in chlorophyll a. This is a composition map, not a synthesis recipe.

    PubChem: chlorophyll a

  2. Na+Cl−
    Ionic pairNaCl

    You named both sides of table salt.

    Sodium chloride is an ionic solid with sodium and chloride ions in a 1:1 ratio. The dotted link is ionic attraction, not a covalent bond.

    PubChem: sodium chloride

  3. C₈H₁₀N₄O₂HCNO
    Element map · dotted links show shared membership, not chemical bonds

    Your table contains caffeine’s four elements.

    Every atom in caffeine is carbon, hydrogen, nitrogen, or oxygen. The subscripts show how many of each occur in one molecule.

    PubChem: caffeine

All 45 elements named

Your complete run in recall order.

  1. H1

    Hydrogen

    #1 recalled

  2. He2

    Helium

    #2 recalled

  3. Li3

    Lithium

    #3 recalled

  4. Be4

    Beryllium

    #4 recalled

  5. C6

    Carbon

    #5 recalled

  6. O8

    Oxygen

    #6 recalled

  7. B5

    Boron

    #7 recalled

  8. N7

    Nitrogen

    #8 recalled

  9. Ne10

    Neon

    #9 recalled

  10. Na11

    Sodium

    #10 recalled

  11. F9

    Fluorine

    #11 recalled

  12. Ca20

    Calcium

    #12 recalled

  13. K19

    Potassium

    #13 recalled

  14. Zn30

    Zinc

    #14 recalled

  15. Fe26

    Iron

    #15 recalled

  16. Ni28

    Nickel

    #16 recalled

  17. Co27

    Cobalt

    #17 recalled

  18. Cu29

    Copper

    #18 recalled

  19. Sn50

    Tin

    #19 recalled

  20. Pb82

    Lead

    #20 recalled

  21. As33

    Arsenic

    #21 recalled

  22. Br35

    Bromine

    #22 recalled

  23. Kr36

    Krypton

    #23 recalled

  24. Pu94

    Plutonium

    #24 recalled

  25. Np93

    Neptunium

    #25 recalled

  26. Cf98

    Californium

    #26 recalled

  27. Es99

    Einsteinium

    #27 recalled

  28. U92

    Uranium

    #28 recalled

  29. Au79

    Gold

    #29 recalled

  30. Ag47

    Silver

    #30 recalled

  31. Cl17

    Chlorine

    #31 recalled

  32. Mg12

    Magnesium

    #32 recalled

  33. Al13

    Aluminum

    #33 recalled

  34. Si14

    Silicon

    #34 recalled

  35. P15

    Phosphorus

    #35 recalled

  36. S16

    Sulfur

    #36 recalled

  37. Ar18

    Argon

    #37 recalled

  38. Sc21

    Scandium

    #38 recalled

  39. V23

    Vanadium

    #39 recalled

  40. Cr24

    Chromium

    #40 recalled

  41. Mn25

    Manganese

    #41 recalled

  42. Ge32

    Germanium

    #42 recalled

  43. I53

    Iodine

    #43 recalled

  44. Xe54

    Xenon

    #44 recalled

  45. Hg80

    Mercury

    #45 recalled

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