Question

Atomic mass no n atomic number of elements 1 to 30

Answer 1

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Answer 2

At No. At. weight Name Symbol

1 1.008 Hydrogen H  

2 4.003 Helium  He  

3 6.941 Lithium  Li

4 9.012 Beryllium Be

5 10.811 Boron  B

6 12.011 Carbon  C  

7 14.007 Nitrogen         N  

8 15.999 Oxygen  O  

9 18.998 Fluorine         F  

10 20.180 Neon  Ne  

11 22.990 Sodium  Na  

12 24.305 Magnesium Mg  

13 26.982 Aluminum Al  

14 28.086 Silicon  Si  

15 30.974 Phosphorus P  

16 32.065 Sulfur  S  

17 35.453 Chlorine         Cl  

18 39.948 Argon  Ar  

19 39.098 Potassium K  

20 40.078 Calcium  Ca  

21 44.956 Scandium Sc  

22 47.867 Titanium         Ti  

23 50.942 Vanadium V  

24 51.996 Chromium Cr  

25 54.938 Manganese Mn  

26 55.845 Iron          Fe  

27 58.933 Cobalt  Co  

28 58.693 Nickel  Ni  

29 63.546 Copper  Cu  

30 65.390 Zinc          Zn