Question

list The first 30 elements
and their mass numbers​

Answer 1

Answer:

DOWN BELOW BOSS

Explanation:

1.Hydrogen - 1.008

2. Helium - 4.0026

3. lithium- 6.94

4. Beryllium- 9.0122

5. Boron- 10.81

6. Carbon- 12.011

7. Nitrogen- 14.007

8. Oxygen- 15.999

9. Fluorine- 18.998

10. Neon- 20.180

11. Sodium- 22.990

12. Magnesium - 24.305

13. Aluminium- 26.982

14. Silicon- 28.085

15. Phosphorus- 30.974

16. Sulfur- 32.06

17. Chlorine- 35.45

18. Argon- 39.948

19. Potassium- 39.098

20. Calcium- 40.078

21. Scandium- 44.956

22. Titanium- 47.867

23. Vanadium- 50.942

24. Chromium- 51. 996

25. Manganese- 54.938'

26. Iron- 55.845

27. Cobalt- 58.933

28.Nickel- 58.693

29. Copper- 63.546

30. Zinc- 65.38