Chemical symbols used by Dalton (19th Century)


1. Oxygen 10. Mercury 19. Arsenic 28. Calcium
2. Hydrogen 11. Copper 20. Cobalt 29. Magnesium
3. Nitrogen 12. Iron 21. Manganese 30. Barium
4. Carbon 13. Nickel 22. Uranium 31. Strontium
5. Sulphur 14. Tin 23. Tungsten 32. Aluminium
6. Phosphorus 15. Lead 24. Titanium 33. Silicon
7. Gold 16. Zinc 25. Cerium 34. Yttrium
8. Platinum 17. Bismuth 26. Potassium 35. Beryllium
9. Silver 18. Antimony 27. Sodium 36. Zirconium

37. Water 43. Nitric acid 49. Sulphurous acid 55. Methane
38. Hydrofluoric acid 44. Nitrogen peroxide 50. Sulphuric acid 56. Compounds of sulphur and hydrogen
39. Hydrochloric acid 45. Nitrous acid 51. Phosphorous acid 57. Compounds of sulphur and hydrogen
40. Chloric acid 46. Carbon monoxide 52. Phosphoric acid 58. Compounds of sulphur and phosphorus
41. Nitric oxide 47. Carbon dioxide 53. Ammonia 59. Compounds of sulphur and phosphorus
42. Nitrous oxide 48. Sulphur dioxide 54. Ethylene

1. Potassium hydroxide 10. Calcium nitrate 19. Aluminium chloride
2. Potassium hydride 11. Calcium chloride 20. Alum
3. Potassium carbonate 12. Barium hydroxide 21. Potassium silicate
4. Sodium hydroxide 13. Barium carbonate 22. Potassium silicate
5. Sodium hydride 14. Barium sulphate 23. Potassium calcium silicate
6. Sodium carbonate 15. Barium nitrate 24. Potassium barium silicate
7. Calcium hydroxide 16. Barium chloride 25. Silicon fluoride
8. Calcium carbonate 17. Aluminium sulphate 26. Ammonium potassium compound
9. Calcium sulphate 18. Aluminium nitrate 27. Ethylene chloride