Chemistry atomic number and mass number of elements from 1 to 30
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Name. Atomic no. Mass no
Hydrogen. 1. 1.008
Helium. 2. 4.003
Lithium. 3. 6.941.
Beryllium. 4. 9.012
Boron. 5. 10.811
Carbon. 6. 12.011
Nitrogen. 7. 14.007
Oxygen. 8. 15.999
Fluorine. 9. 18.998
Neon. 10. 20.180
Sodium. 11. 22.990
Magnesium . 12. 24.305
Aluminum. 13. 26.982
Silicon. 14. 28.086
Phosphorus . 15. 30.974
Sulphur. 16. 32.066
Chlorine. 17. 35.453
Argon. 18. 39.948
Potassium. 19. 39.098
Calcium. 20. 40.078
Scandium. 21. 44.956
Titanium. 22. 47.867
Vanadium. 23. 50.942
Chromium. 24. 51.996
Manganese. 25. 54.938
Iron. 26. 55.845
Cobalt. 27. 58.933
Nickel. 28. 58.693
Copper. 29. 63.546
Zinc. 30. 65.38
Hydrogen. 1. 1.008
Helium. 2. 4.003
Lithium. 3. 6.941.
Beryllium. 4. 9.012
Boron. 5. 10.811
Carbon. 6. 12.011
Nitrogen. 7. 14.007
Oxygen. 8. 15.999
Fluorine. 9. 18.998
Neon. 10. 20.180
Sodium. 11. 22.990
Magnesium . 12. 24.305
Aluminum. 13. 26.982
Silicon. 14. 28.086
Phosphorus . 15. 30.974
Sulphur. 16. 32.066
Chlorine. 17. 35.453
Argon. 18. 39.948
Potassium. 19. 39.098
Calcium. 20. 40.078
Scandium. 21. 44.956
Titanium. 22. 47.867
Vanadium. 23. 50.942
Chromium. 24. 51.996
Manganese. 25. 54.938
Iron. 26. 55.845
Cobalt. 27. 58.933
Nickel. 28. 58.693
Copper. 29. 63.546
Zinc. 30. 65.38
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